Entries |
Document | Title | Date |
20080208177 | Opthalmological Device - A device for correcting defective vision or corneal disease of an eye combines a device ( | 08-28-2008 |
20080228177 | System and Method for Correction of Ophthalmic Refractive Errors - The present invention relates to a system and a method for calculating a course of refractive treatment for correcting a refractive error of a patient's eye. It is based on the concept to combine at least a first treatment which provides an overcorrection of the intended correction with at least a second treatment which corrects said overcorrection. | 09-18-2008 |
20080243109 | Method and Device for Producing Cuts in a Transparent Material - The invention relates to a method for producing cuts in a transparent material, in particular in the cornea, by creating optical openings in said material by means of laser radiation that is focused in said material, whereby the focal point is displaced in order to produce the cut from a surface grid-type array of optical openings arranged in sequence. The focal point is displaced along a trajectory and optical openings along said trajectory that are adjacent are not produced immediately after one another. In addition, the surface grid-type array of optical openings is constructed from at least two sub-grids, the optical openings of which are processed sequentially grid by grid. | 10-02-2008 |
20080249512 | Surgical visual feedback and eye fixation method and apparatus - A fixation apparatus is provided that limits rotation of the ocular globe of an eye, to facilitate alignment of an instrument with the axis of astigmatism of the eye. The apparatus includes fixation target means ( | 10-09-2008 |
20080249513 | Apparatus for Treatment of Material, in Particular for Refractive Surgery - A device and a computer program for material processing, in particular refractive eye surgery, operate with a pulsed femtosecond laser and the individual focal points are positioned in such a way that the spacings of neighbouring focal points for the most part vary, in order to avoid a regular grating structure avoiding undesired diffraction phenomena. | 10-09-2008 |
20080249514 | Method and Apparatus for Multi-Step Correction of Ophthalmic Refractive Errors - A technique of refractive eye correction employs multiple steps to correct refractive errors in the eye. In the first step, gross decentrations of the refractive error are corrected, allowing the subsequent steps to be relatively symmetric in their treatment profile. Then, the eye's refractive error is again measured, and a subsequent treatment is applied for the remaining error. The overall treatment is thus completed in two or more steps. | 10-09-2008 |
20080269729 | UNINTERRUPTED POWER SUPPLY, ESPECIALLY FOR A REFRACTIVE LASER - The invention concerns an uninterruptible power supply that is used in particular with a refractive laser. A rechargeable battery is provided, whereby prior to beginning the treatment the capacity of the battery is tested to assure that it is sufficient to safely complete the treatment in the event the voltage supply is interrupted. | 10-30-2008 |
20080269730 | Ophthalmic Phototherapy Device and Associated Treatment Method - An ophthalmic phototherapy device and associated phototherapy treatment method for promoting healing of damaged or diseased eye tissue. The ophthalmic phototherapy device includes a light emitting mechanism for transmitting light of at least one preselected wavelength to the eye tissue. The ophthalmic phototherapy method includes directing light of at least one wavelength for a selected period of time to a portion of damaged or diseased eye tissue, whereby the light transmitted to the damaged or diseased eye tissue stimulates cellular activity in the eye tissue to promote healing. | 10-30-2008 |
20080269731 | Method and apparatus applying patient-verified prescription of high order aberrations - The present invention contemplates an ophthalmic adaptive-optics instrument to obtain patient-verified prescription of low- and high-order aberrations. The present invention further contemplates a new and improved method and apparatus of customized corneal ablation using a patient-verified prescription of low- and high-order aberrations. The patient-verified prescription of high-order aberrations characterizes the aberration correction needed for optimal visual acuity and enables customized corneal ablation to achieve optimal visual acuity of each individual patient. | 10-30-2008 |
20080275433 | APPARATUS AND METHOD FOR GENERATING CUT SURFACES IN THE CORNEA OF AN EYE FOR CORRECTION OF AMETROPIA - An apparatus for generating cut surfaces in the cornea of an eye in order to correct ametropia is provided, said apparatus comprising a laser unit, which can focus pulsed laser radiation into the cornea and move it therein in order to generate cut surfaces, and a control unit, which controls the laser unit for generating cut surfaces such that a predetermined lenticle to be removed is separated from the surrounding corneal material in the cornea by at least one cut surface, and that at least two mutually spaced apart cut surfaces are formed as opening cuts, each extending from the lenticle to the anterior corneal surface, the position and shape of the opening cuts being selected such that the opening cuts contribute to the correction of the ametropia of the eye or do not counteract the correction of the ametropia of the eye. | 11-06-2008 |
20080275434 | Corneal Topography-Based Target Warping System - Systems and methods for treating a tissue of an eye with a laser beam include at least one processor that determines angles between a curved surface and a laser beam, controlling an ablative treatment in response to the angles. Angles between a surface of a cornea and a laser beam may be mapped over a treatment area. A mapped area may include an apex of a cornea displaced from a center of a pupil of an eye. Ablation properties may be determined locally in response to the incident angle of a laser beam with respect to a local slope of a tissue surface. The treatment area may be ablated using local ablation properties to form a desired surface shape. | 11-06-2008 |
20080281303 | METHOD AND APPARATUS FOR CREATING OCULAR SURGICAL AND RELAXING INCISIONS - A system and method of treating target tissue in a patient's eye, which includes generating a light beam, deflecting the light beam using a scanner to form first and second treatment patterns, delivering the first treatment pattern to the target tissue to form an incision that provides access to an eye chamber of the patient's eye, and delivering the second treatment pattern to the target tissue to form a relaxation incision along or near limbus tissue or along corneal tissue anterior to the limbus tissue of the patient's eye to reduce astigmatism thereof. | 11-13-2008 |
20080281304 | COMBINED WAVEFRONT AND TOPOGRAPHY SYSTEMS AND METHODS - Methods, software, and systems are provided for determining an ablation target shape for a treatment for an eye of a patient. Techniques include determining wavefront information from the eye of the patient with a wavefront eye refractometer, determining anterior corneal shape information from the eye with a corneal topography device, and combining the wavefront information and the anterior corneal shape information to determine the ablation target shape. | 11-13-2008 |
20080287927 | Protective device for ophthalmic laser treatment - A protective device for ophthalmic laser treatment comprises a transparent foil for protecting an eye from direct contact by a reference body disposed between a laser applicator and the eye. The protective device further comprises means for disposing the foil between the reference body and the eye, for example a carrier frame, having the foil attached thereto, and a suction ring for attachment to the eye around an operative area. The suction ring is designed for receiving the carrier frame such that the operative area is covered by the foil when the suction ring is attached to the eye. Furthermore, the suction ring is provided with coupling means for attachment to the laser applicator. When the laser is activated, laser pulses are projected from the laser applicator through the reference body and the foil to dissolved tissue of the eye. By moving the focal point of the pulsed laser beam into the foil, open cuts can be made in the eye, without damaging the reference body. | 11-20-2008 |
20080287928 | OPERATOR-CONTROLLED SCANNING LASER PROCEDURE DESIGNED FOR LARGE-AREA EPITHELIUM REMOVAL - Systems and methods for removing an epithelial layer disposed over a stromal layer in a cornea irradiate a region of the epithelial layer with a pulsed beam of ablative radiation. The ablative radiation is scanned to vary the location of the beam within the region in accordance with a pulse sequence. The pulse sequence is arranged to enhance optical feedback based on a tissue fluorescence of the epithelial layer. The penetration of the epithelial layer is detected in response to the optical feedback. The use of scanning with the pulse sequence arranged to enhance optical feedback allows large areas of the epithelium to be ablated such penetration of the epithelial layer can be detected. | 11-20-2008 |
20080287929 | CUSTOMIZED LASER EPITHELIAL ABLATION SYSTEMS AND METHODS - Systems and methods to treat a region of a cornea of an eye having an epithelial layer disposed over a stromal layer. The system comprises a device to map a thickness of the epithelial layer over the region of the cornea to generate a map of epithelial thickness over the region, and a laser to generate a laser beam of an ablative radiation. A movable scan component is coupled to the laser to scan the laser beam over the region. A processor system is coupled to the laser and the movable scan component, and the processor system is configured to arrange pulses of laser beam to ablate the epithelial layer of the region in response to the map of epithelial thickness. | 11-20-2008 |
20080319428 | TREATMENT APPARATUS FOR SURGICAL CORRECTION OF DEFECTIVE EYESIGHT, METHOD OF GENERATING CONTROL DATA THEREFORE, AND METHOD FOR SURGICAL CORRECTION OF DEFECTIVE EYESIGHT - A treatment method and apparatus for surgical correction of defective-eyesight in an eye of a patient, wherein a laser device is controlled by a control device, said laser device separating corneal tissue by irradiation of laser radiation to isolate a volume located within a cornea, wherein the control device controls the laser device to focus the laser radiation, by providing target points located within the cornea, into the cornea, wherein the control device, when providing the target points, allows for focus position errors which lead to a deviation between the predetermined position and the actual position of the target points when focusing the laser radiation, by pre-offsets depending on the positions of the respective target points to compensate for said focus position errors. | 12-25-2008 |
20090005764 | Method for Modifying the Refractive Index of Ocular Tissues - A method for modifying the refractive index of ocular tissues. The method comprises irradiating select regions of ocular tissue with a visible or near-IR laser. The irradiation results in the formation of structures in the ocular tissue, characterized by a change in refractive index, and which exhibit little or no scattering loss. | 01-01-2009 |
20090012505 | Methods and Systems for Tracking a Torsional Orientation and Position of an Eye - Methods and systems for tracking a position and torsional orientation of a patient's eye. In one embodiment, the present invention provides methods and software for registering a first image of an eye with a second image of an eye. In another embodiment, the present invention provides methods and software for tracking a torsional movement of the eye. In a particular usage, the present invention tracks the torsional cyclorotation and translational movement of a patient's eye so as to improve the delivery of a laser energy to the patient's cornea. | 01-08-2009 |
20090012506 | LASER MASK FOR CREATING A CORNEAL POCKET - Methods for correcting the vision of a patient by inserting an intracorneal lens into the patient's cornea are provided. The lens is inserted into a corneal pocket that is created by using a mask having an opening with a shape that corresponds to the desired shape of the corneal pocket. A laser ablates tissue within the cornea in an area defined by the shape of the mask since the mask blocks the laser outside the opening. A variety of corneal mask configurations may be used accommodate various corneal lens shapes and sizes. | 01-08-2009 |
20090018532 | LASER FEMTOSECOND MICROTOME FOR CUTTING OUT A MATERIAL SLICE BY A LASER BEAM, IN PARTICULAR IN A CORNEA - A laser femtosecond microtome for cutting out by a focused laser beam at least one slice of material in a material block, wherein the block includes a front surface and the slice carrying the front surface, the slice extends at least partially substantially in a X, Z plane perpendicular to an axis Y of the block thickness, the slice is separated from the remaining part of the block by a cleavage surface formed by an assembly of bubbles brought together, each bubble is formed in a focus area of at least one convergent laser beam pulse of an optical axis L. According to the invention, the optical axis L of the convergent part ( | 01-15-2009 |
20090036879 | SYSTEMS AND METHODS FOR FINE-TUNING REFRACTIVE SURGERY - Systems and methods for fine-tuning refractive shapes for vision treatment are provided. Techniques encompass determining a variable index of refraction for a cornea of the eye, and determining the refractive treatment shape for the eye based on the variable index of refraction. Techniques also encompass determining a variable radius of curvature of an anterior surface of a cornea of the eye, and determining the refractive treatment shape for the eye based on the variable radius of curvature. | 02-05-2009 |
20090043292 | Method for Preventing and Correcting Presbyopia - A method for preventing and correcting presbyopia includes steps of forming a refractive correction surface for treating myopia, hyperopia or astigmatism to improve vision of distant objects in a central portion of the cornea of an eyeball corresponding in size and position to the pupil of the eyeball under a normal lighting condition; and successively forming lens-like refractive correction surfaces adaptive to presbyopia of different degrees in another portion of the cornea corresponding in size and position to the pupil dilating to the largest extent excluding an area occupied by the pupil under the normal lighting condition. Thus, when a person treated with the method grows older and experiences degenerate eye functions, the pre-formed lens-like refractive correction surfaces having different curvatures can correct presbyopia of different degrees at different ages and adequately improve vision of nearby objects, thereby achieving the intended effect of preventing presbyopia. | 02-12-2009 |
20090048586 | PRECISE DISRUPTION OF TISSUE IN RETINAL AND PRERETINAL STRUCTURES - Systems and methods are provided for disrupting tissue within preretinal or retinal structures of an eye. At least one femtosecond laser pulse is directed through the cornea of the eye to a target location. The at least one femtosecond laser pulse has sufficient intensity to induce nonlinear absorption in tissue within the target location. The at least one laser pulse is corrected at an adaptive optical element as to substantially reduce dispersion and aberration of the at least one laser pulse due to changes in the wavefront profile associated with the laser pulse due to travel through eye tissue between the surface of the eye and the target location. At least the target location is imaged to produce an in vivo image of the target location. The adaptive optical element is adjusted according to distortion detected in a reflected wavefront. | 02-19-2009 |
20090054879 | SYSTEM AND METHOD FOR DEFINING AND CONTROLLING LTK AND OTHER SURGICAL EYE PROCEDURES TO PRODUCE LITTLE OR NO STROMAL COLLAGEN SHRINKAGE - One or more treatment parameters are determined for a cornea reshaping procedure. The one or more treatment parameters are selected so as to reduce an amount of collagen shrinkage in a cornea of a patient's eye caused by the cornea reshaping procedure. For example, the one or more treatment parameters could be selected so as to minimize an amount of stromal collagen shrinkage in the cornea of the patient's eye caused by the cornea reshaping procedure. As another example, the cornea reshaping procedure could include irradiating multiple spots on the cornea of the patient's eye, where each spot is associated with an amount of stromal collagen. The one or more treatment parameters could be selected so that no more than 1% or 5% of the stromal collagen in the irradiated spots undergoes clinically significant shrinkage as a result of the cornea reshaping procedure. | 02-26-2009 |
20090062779 | METHODS FOR TREATING EYE CONDITIONS WITH LOW-LEVEL LIGHT THERAPY - Architectures and techniques for treating conditions of the eye, such as presbyopia, utilize sources of treatment energy, such as electromagnetic energy emitting devices, to implement non-corneal and other manipulations. According to these devices and methods, the sources of treatment energy are activated to direct energy onto parts of the eye, such as the conjunctiva and sclera, to treat presbyopia. The treatments can affect at least one property of the eye and enhance an accommodation of the eye. | 03-05-2009 |
20090062780 | METHODS FOR TREATING EYE CONDITIONS - Architectures and techniques for treating conditions of the eye, such as presbyopia, utilize sources of treatment energy, such as electromagnetic energy emitting devices, to implement non-corneal manipulations. According to these devices and methods, the sources of treatment energy are activated to direct energy onto parts of the eye, such as the conjunctiva and sclera, to treat presbyopia. The treatments can affect at least one property of the eye and enhance an accommodation of the eye. | 03-05-2009 |
20090076487 | Methods and Systems for Laser Calibration and Eye Tracker Camera Alignment - The present invention provides methods, systems, and apparatus for calibrating a laser ablation system, such as an excimer laser system for selectively ablating a cornea of a patient's eye. The invention also facilitates alignment of eye tracking cameras that measure a position of the eye during laser eye surgery. A calibration and alignment fixture for a scanning laser beam delivery system having eye tracking cameras may include a structure positionable in a treatment plane. The structure having a feature directing laser energy incident thereon to a calibration energy sensor, at least one reference-edge to determine a characteristic of the laser beam (shape, dimensions, etc.), and an artificial pupil to determine alignment of the eye tracking cameras with the laser system. | 03-19-2009 |
20090099557 | Methods and compositions for optimizing the outcomes of refractive laser surgery of the cornea - Disclosed herein are methods and compositions for use in surgical procedures for refractive ablation of the cornea to achieve vision correction with a minimum of undesirable side effects and for a broad range of optical conditions such myopia, hyperopia, presbyopia and astigmatism. Specifically disclosed are compositions, and methods involving their use, wherein the compositions act as agents for the reversible removal of corneal epithelial layers to provide access for UV radiation in manipulation of the refractive properties of the cornea. The methods and compositions of the present invention are capable of achieving desirable results in corrective surgery not possible with current methods for exposing the corneal stroma to far-UV laser radiation. | 04-16-2009 |
20090099558 | Methods and Systems for Differentiating Left and Right Eye Images - Methods and systems for determining whether an image is of a left eye or a right eye may be used to enhance laser eye surgery systems and techniques. Methods generally involve locating an iris center and/or pupil center on an image of the eye, locating a corneal vertex and/or at least one reflection on the image, and determining whether the image is of a left eye or a right eye, based on the location of the corneal vertex and/or reflection(s) relative to the iris center and/or pupil center. Systems include a laser emitting a beam of an ablative light energy and a computer processor having a computer program for determining whether the image is of a left eye or a right eye, based on a location of the corneal vertex and/or reflection(s) relative to the iris center and/or pupil center. | 04-16-2009 |
20090118718 | SYSTEM AND METHOD FOR INCISING MATERIAL - Systems and methods of incising a portion of a material include creating a sub-surface separation in a region of the material, and incising a periphery of the region with a pulsed laser beam to produce an edge of the portion. The edge includes a periodically varying shape to secure the portion to the material when the portion is reintegrated. The system includes a laser producing the pulsed laser beam, a scanner operable in response to a control signal, and a controller coupled to the scanner. The controller produces the control signal. In response to the control signal, the scanner creates a sub-surface separation in the region with the pulsed laser beam and incises the periphery of the region with the pulsed laser beam to produce the edge with the periodically varying shape. | 05-07-2009 |
20090118719 | METHODS FOR TREATING EYE CONDITIONS - Architectures and techniques for treating conditions of the eye, such as presbyopia, utilize sources of treatment energy, such as electromagnetic energy emitting devices, to implement non-corneal manipulations. According to these devices and methods, the sources of treatment energy are activated to direct energy onto parts of the eye, such as the conjunctiva and sclera, to treat presbyopia. The treatments can affect at least one property of the eye and enhance an accommodation of the eye. | 05-07-2009 |
20090125005 | Closed Loop System and Method for Ablating Lenses with Aberrations - The present invention comprises a closed loop system and method for assessing a performance of a refractive surgical system that is capable of correcting lower and higher order aberrations of the eye. In one embodiment, the refractor surgical system comprises a corneal re-shaping laser system and a refractor system that is capable of measuring low and higher order aberrations of the eye. A software application is capable of transforming the measurements of the refractor system to a treatment plan to control and guide the corneal re-shaping laser system. The systems and methods of the present invention may include a lens that is created by the corneal reshaping laser system and can be measured by the refractor system. | 05-14-2009 |
20090137989 | Ophthalmic laser treatment device - A light-permeable member (lens | 05-28-2009 |
20090137990 | OPTICAL SYSTEM FOR CORRECTION OF TISSUE INDUCED ABERRATION - A multi-photon fluoroscopy microscope employs an electronically controlled diffraction mask to affect correcting phase adjustments in an incident waveform to allow a precise focus of the stimulating beam of light to a focal point within tissue having a varying and inhomogeneous index of refraction. | 05-28-2009 |
20090137991 | Methods and Apparatus for Laser Treatment of the Crystalline Lens - Methods and apparatus for laser treatment of the crystalline lens. Implementations of the described methods and apparatus include a laser treatment of a lens of an eye includes defining a target boundary of a target region in the lens, applying surgical laser pulses to the target boundary effectively resulting in a separation of the target region from the rest of the lens, and removing the separated target region from the lens. The target boundary can be defined by applying marker laser pulses to outline the target boundary. The marker laser pulses can be applied by a laser source using marker pulse settings and the surgical laser pulses can be applied by the same laser source using surgical pulse settings. | 05-28-2009 |
20090149842 | Eye therapy system - Heat is generated in corneal fibrils in a cornea of an eye according to a selected pattern. The heat causes the corneal fibrils corresponding to the selected pattern to transition from a first structure to a second structure. The second structure provides a desired reshaping of the cornea. A cross-linking agent is then activated in the region of corneal fibrils according to the selected pattern. The cross-linking agent prevents the corneal fibrils from changing from the second structure. Thus, embodiments stabilize corneal tissue and improve its biomechanical strength after desired structural changes have been achieved in the corneal tissue. Accordingly, the embodiments help to preserve the desired reshaping of the cornea. | 06-11-2009 |
20090157061 | METHOD FOR INTRASTROMAL REFRACTIVE SURGERY - A method for performing intrastromal ophthalmic laser surgery requires Laser Induced Optical Breakdown (LIOB) of stromal tissue without compromising Bowman's capsule (membrane). In detail, the method creates cuts in the stroma over all, or portions of, a plurality of concentric cylindrical surfaces (circular or oval). Importantly, these cuts are all centered on the visual axis of the patient's eye. In accordance with the present invention, cuts can be made either alone or in conjunction with the removal of predetermined volumes of stromal tissue. The actual location of cuts in the surgery will depend on whether the treatment is for presbyopia, myopia, hyperopia or astigmatism. | 06-18-2009 |
20090157062 | Systems and methods for treating glaucoma and systems and methods for imaging a portion of an eye - Systems and methods are described for imaging an eye portion or for treating glaucoma in an eye of a patient. In a first step an optical microscopic image of a portion of the eye is acquired. In the optical microscopic image a distinguishable anatomical structure is identified to predict a location of a volume portion to be imaged three-dimensionally. Three-dimensional imaging of the located volume portion is performed by acquiring an optical coherence tomography image of the located volume portion. The volume portion is treated by either directing a laser beam to the volume portion or inserting an implant based on the OCT-image. | 06-18-2009 |
20090157063 | METHOD PATTERNS FOR INTRASTROMAL REFRACTIVE SURGERY - A method for performing intrastromal ophthalmic laser surgery requires Laser Induced Optical Breakdown (LIOB) of stromal tissue without compromising Bowman's capsule (membrane). In detail, the method creates cuts in the stroma along planes radiating from the visual axis of the eye. Importantly, these cuts are all distanced from the visual axis. The actual location and number of cuts in the surgery will depend on the degree of visual aberration being corrected. Further, the method may include the additional step of creating cylindrical cuts in the stroma. The radial cuts and cylindrical cuts may be intersecting or non-intersecting depending on the visual aberration being treated. | 06-18-2009 |
20090171325 | Method for Treatment and Diagnosis of Eye Tissues - The invention relates to a process for minimally invasive to non-invasive optical treatment of tissues of the eye and also for diagnosis thereof and to a device for implementing this process. The object underlying the invention is to create a process and a laser arrangement for minimally invasive to non-invasive optical treatment in the interior of the eye, particularly of cases of defective vision, by ablation of tissue, said treatment being distinguished by a hitherto unattained high precision, with possible widths of incision in the range less than 2 μm, without a significant mechanical impairment of the surrounding tissue occurring that has been generated by photodisruption. The process and the arrangement are to be inexpensive and easy to operate. In addition, at the same time the arrangement is to enable a three-dimensional imaging of the tissue. This object is achieved by virtue of a process in which the ablation is effected by focused planar or spatial scanning while adhering to equal, in order of magnitude, focusing-point diameters and point spacings below 5 μm with a radiation within the spectral range from 500 nm to 1200 nm, whereby, by virtue of a pulse duration in the order of femtoseconds and an energy of the individual pulse in the order of nanojoules and below, the destruction of the tissue is substantially limited to the diameter of the point, and permanent changes by virtue of propagation of energy beyond this diameter are avoided. The invention can be applied in opthalmology. | 07-02-2009 |
20090187171 | COMPUTER CONTROL FOR BIO-MECHANICAL ALTERATION OF THE CORNEA - A system and method for altering the shape of a lamina of transparent material (e.g. the cornea of an eye), as it is being subjected to a transverse pressure differential, requires a computer controlled laser unit. In accordance with specified input parameters, the computer directs the laser unit to perform LIOB over predetermined surfaces within the lamina. This weakens the material for a desired reshaping of the lamina in response to the pressure differential. With respect to a perpendicular axis that is defined by the lamina, surfaces parallel to the axis (e.g. cylindrical surfaces) are separated from each other by about two hundred microns. For surfaces perpendicular to the axis, the separation is about ten microns. In each instance, the cuts that result from LIOB are only about two microns thick. | 07-23-2009 |
20090187172 | METHOD FOR HARVESTING CORNEAL DONOR PLUGS FOR USE IN KERATOPHAKIA PROCEDURES - A method for harvesting a plurality of corneal donor plugs for use in keratophakia procedures requires the determination of a perimeter for the plurality of plugs. Further, the method involves the selection of posterior and anterior boundaries for the plurality of donor plugs. In the method, interfaces between adjacent donor plugs are identified. Thereafter, a pulse laser beam is directed along the perimeter, the boundaries and the interfaces to establish the plurality of plugs. After the plugs are removed from the donor cornea, individual plugs are mechanically separated from one another. | 07-23-2009 |
20090187173 | SYSTEM AND METHOD FOR RESHAPING AN EYE FEATURE - A system for applying therapy to an eye includes an energy source and a conducting element operably connected to the energy source and configured to direct energy from the energy source to an application end of the conducting element. The application end includes an eye contact portion configured to apply the energy to an eye feature and provides a reshaping mold to reshape the eye feature as the eye feature responds to the application of the energy. The eye contact portion may have a concave curvature and may be positioned in direct contact with the eye feature. In addition, the eye feature may be the cornea of the eye. In a particular embodiment, the energy source is an electrical energy source, the conducting element comprises an outer electrode and an inner electrode separated by a gap, and the eye contact portion is positioned on the inner electrode. | 07-23-2009 |
20090187174 | DEVICE FOR TREATING EYE TISSUE - An opthalmological device ( | 07-23-2009 |
20090216217 | METHOD AND SYSTEMS FOR LASER TREATMENT OF PRESBYOPIA USING OFFSET IMAGING - An ophthalmic surgery system and method for treating presbyopia by performing ablative photodecomposition of the corneal surface. The offset image of a variable aperture, such as a variable width slit and variable diameter iris diaphragm, is scanned in a preselected pattern to perform ablative sculpting of predetermined portions of a corneal surface. The scanning is performed to ablate an optical zone sized to match the patient pupil with a peripheral transition zone outside the pupil. The shape of the ablated optical zone is different from the shape of the final optical correction on the anterior surface of the cornea. The optical zone corrects for near-vision centrally and far-vision peripherally. A movable image displacement mechanism enables radial displacement and angular rotation of the profiled beam exiting from the variable aperture. The invention enables wide area treatment with a laser having a narrower beam than the treatment area, and can be used in the treatment of many conditions in conjunction with presbyopia such as hyperopia, hyperopic astigmatism and irregular refractive aberrations. | 08-27-2009 |
20090216218 | PRESBYOPIA CORRECTION THROUGH NEGATIVE SPHERICAL ABERRATION - Devices, systems, and methods for treating and/or determining appropriate prescriptions for one or both eyes of a patient are particularly well-suited for addressing presbyopia, often in combination with concurrent treatments of other vision defects. High-order spherical aberration may be imposed in one or both of a patient's eyes, often as a controlled amount of negative spherical aberration extending across a pupil. A desired presbyopia-mitigating quantity of high-order spherical aberration may be defined by one or more spherical Zernike coefficients, which may be combined with Zernike coefficients generated from a wavefront aberrometer. The resulting prescription can be imposed using refractive surgical techniques such as laser eye surgery, using intraocular lenses and other implanted structures, using contact lenses, using temporary or permanent corneal reshaping techniques, and/or the like. | 08-27-2009 |
20090234336 | PRESBYOPIA CORRECTION USING PATIENT DATA - Methods and systems for treating presbyopia involve ablating a corneal surface of a first eye of a patient to enhance vision of near objects through a central zone of the first eye and ablating a second eye of the patient to enhance vision of near objects through a peripheral zone of the second eye. In the first eye, a peripheral zone is used primarily for distance vision. In the second eye, a central zone is used primarily for distance vision. Methods, devices, and systems establish an optical surface shape that mitigates or treats presbyopia in a particular patient. The combination of distance vision and near vision in a patient can be improved, often based on input patient parameters such as pupil size, residual accommodation, and power need. Iterative optimization may generate a customized corrective optical shape for the patient. | 09-17-2009 |
20090247998 | SYSTEM AND METHOD OF IRIS-PUPIL CONTRAST ENHANCEMENT - System and method of photoaltering a region of an eye using an enhanced contrast between the iris and the pupil of the imaged eye. The system includes a laser assembly outputting a pulsed laser beam, a user interface displaying one of a first digital image of the eye and a second digital image of the eye, and a controller coupled to the laser assembly and the user interface. The first digital image has a first contrast between the pupil and the iris, and the second digital image has a second contrast between the pupil and the iris. The controller selectively increases the first contrast between the pupil and the iris to the second contrast between the pupil and the iris and directs the pulsed laser beam to the region of the eye based on one of the first and second digital images. | 10-01-2009 |
20090247999 | CORNEAL IMPLANT SYSTEM, INTERFACE, AND METHOD - System, graphical user interface, and method for performing ophthalmic surgery on a cornea. The system includes a display presenting a plurality of images representing corneal implants, a laser assembly outputting a pulsed laser beam, and a control unit coupled to the laser assembly and display. The control unit directs the laser assembly to produce a cavity in the cornea via the pulsed laser beam in response to a selected image, and the cavity receives a corneal implant corresponding to the selected image. | 10-01-2009 |
20090254071 | SYSTEM AND METHOD FOR IDENTIFYING A POSITION TO INSERT A SCLERAL PROSTHESIS INTO AN EYE - A method includes identifying an actual location of a ciliary body in a patient's eye. The method also includes identifying a position for a scleral prosthesis to be inserted into scleral tissue of the patient's eye based on the identified location of the ciliary body. The method could also include forming a scleral tunnel in the scleral tissue of the patient's eye based on the identified position and inserting the scleral prosthesis into the scleral tunnel. Identifying the actual location of the ciliary body could include illuminating a first portion of the patient's eye using illumination provided at a second portion of the patient's eye. The illumination provided at the second portion of the patient's eye may be provided through an eyelid of the patient and may travel under a cornea of the patient's eye to the first portion of the patient's eye. | 10-08-2009 |
20090264873 | SYSTEM AND METHOD FOR ALTERING INTERNAL STRESS DISTRIBUTIONS TO RESHAPE A MATERIAL - A system and method for altering the configuration of a transparent material (e.g. the cornea of an eye) requires identifying local stress distribution patterns inside the material. These patterns are then used to define boundary (interface) surfaces between volumes within the material. In operation, a laser unit performs Laser Induced Optical Breakdown (LIOB) along selected boundary surfaces to disrupt stress distribution patterns between volumes of the material that are separated from each other by the boundary surface. This LIOB allows an externally applied force to thereby alter the configuration of the material. | 10-22-2009 |
20090264874 | METHOD AND APPARATUS FOR CALCULATING A LASER SHOT FILE FOR USE IN A REFRACTIVE EXCIMER LASER - The invention relates to a method and apparatus for calculating a laser shot file for use in a refractive excimer laser comprising the steps of providing information with respect to a desired ablation profile, calculating the shot density of the desired ablation profile, determining a grid width of a grid being used for placing laser shots of the excimer laser on grid positions wherein the grid width is determined based on the calculated shot density of the desired ablation profile. | 10-22-2009 |
20090275929 | SYSTEM AND METHOD FOR CONTROLLING MEASUREMENT IN AN EYE DURING OPHTHALMIC PROCEDURE - Systems and methods are provided for sensing a movement of an eye. The system includes a light source configured to illuminate the eye with a first light having a polarization state, an image capture apparatus configured to generate at least one image of the eye based on a reflected light from the eye, an analyzer optically coupled to the image capture apparatus and configured to filter a second light from the reflected light, and a processor coupled to the image capture apparatus and configured to determine the movement of the eye based on the at least one image of the eye. The reflected light is based on the first light, and the second light has the polarization state. | 11-05-2009 |
20090281529 | METHOD FOR CONTROLLING A LASER IN THE ABLATION OF THE CORNEAL LAYER OF AN EYE - The invention relates to a method for controlling a laser for eye surgery in the excision or ablation of a corneal volume of a human or animal eye, whereby said method comprises the steps of (a) carrying out a pachymetric or pachymetric and topographic measurement of at least one part of the cornea through manual and/or automatic data acquisition by means of a measuring system, (b) calculating a volume element, based on the measured parts of the cornea, using volume-describing functions or by interpolation of the measured data obtained in step a) and/or a following plausibility test of the available data, (c) automatically and/or manually providing and entering data concerning the desired depth, the diameter and the geometry of the corneal excision or ablation, (d) calculating a modified excision or ablation volume, using volume-describing functions and/or by interpolation of the volume element calculated in step b) with the data according to step c), (e) representing the modified excision or ablation volume using volume-describing functions and/or by interpolation of the volume element calculated in step d), (f) automatically and/or manually providing and entering data concerning the correction factors specific to the cornea and to the laser used in the corneal excision or ablation, (g) applying the correction factors acquired in step f) to the excision or ablation volume calculated in step d) and representing the resulting excision or ablation volume, using volume-describing functions, and (i) exporting the data calculated in step g) for external further processing or calculation of a laser spot distribution for generating the excision or ablation volume calculated in step g), taking into consideration device-specific parameters of lasers for eye surgery and exporting or transferring the calculated laser shot coordinates to the laser. | 11-12-2009 |
20090281530 | METHOD FOR TREATING AN ORGANIC MATERIAL - The invention relates to a method for treating an organic material, in particular a biological material, in which the organic material is irradiated with laser light in the form of ultrashort pulses at a defined energy input, which pulses are adjusted with regard to a respective pulse length and pulse energy for the organic material such that an energy density of from around 100 mJ/cm | 11-12-2009 |
20090292275 | HIGH-ORDER OPTICAL CORRECTION DURING CORNEAL LASER SURGERY - Systems and methods related to corneal ablation for treatment of one or more high-order optical aberrations are provided. A method includes providing a defect-correcting prescription, determining an ablation profile to impose the prescription on the cornea, and determining a sequence of laser-energy ablations to impose the ablation profile on the cornea. The prescription comprises a high-order optical correction. The ablation profile comprises a first-segment profile and a second-segment profile. The second-segment profile corresponds to at least one high-order optical correction. The ablation sequence comprises applying ablations corresponding to the first-segment profile prior to applying ablations corresponding to the second-segment profile. | 11-26-2009 |
20090299345 | SYSTEM AND METHOD FOR RESHAPING A CORNEA USING A COMBINATION OF LIOB AND STRUCTURAL CHANGE PROCEDURES - A system and method for reshaping and altering the cornea of an eye employs a laser beam for two different purposes. For one, the laser beam is configured to perform Laser Induced Optical Breakdown (LIOB) on selected tissue in the stroma of the cornea. This generally weakens the stromal tissue and allows intraocular pressure and bio-mechanical forces in the eye to reshape the cornea. For the other, the laser beam is configured to cause Permanent Structural Change (PSC) on selected tissue in the stroma of the cornea. This alters the tissue density of the selected PSC stromal tissue to change its refractive index. In combination, the LIOB and PSC provide for corrected vision. | 12-03-2009 |
20090299346 | SYSTEM AND METHOD FOR STRAY LIGHT COMPENSATION OF CORNEAL CUTS - A system and method to compensate for the deformation of an eye requires calculation of an induced deformation angle Ψ, wherein the deformation is intentionally induced during laser surgery by a contact lens, and a refraction angle φ. Specifically, during laser surgery, the cornea of an eye is typically stabilized by a contact lens. This deforms the cornea. When the contact lens is removed after the surgery, the cornea recovers from the deformation. For the present invention, the angle Ψ is calculated, and corrected by the angle φ, so that surfaces altered during surgery (e.g. by LIOB) will become substantially parallel to incoming light in the eye, after the contact lens has been removed after surgery. | 12-03-2009 |
20090299347 | Device for Laser-Optical Eye Surgery - A device for laser-optical eye surgery includes a source ( | 12-03-2009 |
20090299348 | Polymeric Materials for Use as Photoablatable Inlays - Photoablatable cornea inlays manufactured from a copolymer of hydrophilic monomer to provide a hydrated material with a refractive index of 1.30 or greater, and a water content from 65% to 90% by weight. The cornea inlay is shaped in the form of a disc or lenticule for placement in the corneal bed of an eye. | 12-03-2009 |
20090306635 | METHOD AND APPARATUS FOR CALCULATING A LASER SHOT FILE FOR USE IN AN EXCIMER LASER - The invention relates to a method and apparatus for calculating a laser shot file for use in an excimer laser comprising the steps of providing information with respect to a desired ablation profile, calculating the shot density of the desired ablation profile, using a cost function for placing laser shots of the excimer laser on grid positions wherein a threshold value is determined based on the calculated shot density of the desired ablation profile. | 12-10-2009 |
20090318906 | Assembly and Method for Performing Surgical Laser Treatments of the Eye - An arrangement for carrying out surgical laser treatments of the eye is adapted to emit pulsed treatment radiation with a wavelength of between about 190 nm and about 380 nm and a pulse duration in the femtosecond range. Such treatment radiation allows nonaggressive corneal or intraocular laser treatment of the eye, for example in order to make corneal cuts or deliberately ablate corneal tissue. | 12-24-2009 |
20090318907 | GENERALIZED MODELING OF THE CORNEA - A system and method for simulating a corneal reconfiguration in response to laser surgery uses a computer-programmed, biomechanical generalized model. The generalized model has a plurality of elements; with each element being pre-programmed based on diagnostic corneal data obtained from images of respective individual collagen fibers in a cornea. Collectively these pre-programmed elements replicate biomechanical properties of the cornea. In use, designated biomechanical characteristics on a plurality of selected elements are minimized to simulate laser surgery in an actual cornea. A computer then measures the resultant reconfiguration of the cornea model to assess an actual cornea's response to laser surgery. | 12-24-2009 |
20090326522 | OBJECT FIGURING DEVICE - A device for shaping objects by removal of material from the surface thereof with a pulsed laser beam and a deflecting device through which the laser bean is guided over the surface of the object. An optical device is provided for changing the distribution of the radiation intensity inside the laser beam cross section. After the passage of the laser beam through this optical device, the radiation intensity has a bell-shaped or Gaussian distribution, or a distribution similar to a bell-shaped or Gaussian distribution, in at least one cross-sectional direction through the laser beam. | 12-31-2009 |
20100004643 | System and method for improving the accommodative amplitude and increasing the refractive power of the human lens with a laser - A system and method for increasing the amplitude of accommodation and/or changing the refractive power of lens material of a natural crystalline lens is provided. Generally, there is provided methods and systems for delivering a laser beam to a lens of an eye in a plurality of patterns results in the increased accommodative amplitude and/or refractive power of the lens. There is further provided a system and method of treating presbyopia by increasing both the flexibility of the human lens and the depth of field of the eye. | 01-07-2010 |
20100042081 | OPHTHALMOLOGICAL DEVICE FOR RESOLVING EYE TISSUE - An opthalmological device for resolving eye tissue includes a base station with a light source for producing light pulses. Attached to the base station is a supporting arm with an application head that can be placed on an eye. The light pulses are transmitted from the base station through an optical transmission system to the application head. The application head has a light projector for the focused projection of the light pulses for point-by-point resolution of the eye tissue. The supporting arm is rigidly configured and has at one end a rotary joint with a horizontally aligned axis of rotation, wherein the rotary joint is attached in such a way that the application head can be placed on the eye with a rotation about the axis of rotation. The rotary joint makes it possible for the application head or the light projector to be manually docked in a controlled manner onto the eye in the vertical direction by means of a rotational movement that is easy to perform and has low mechanical friction. | 02-18-2010 |
20100042082 | METHODS AND DEVICES FOR TREATING PRESBYOPIA - Architectures and techniques for treating conditions of the eye, such as presbyopia, utilize sources of treatment energy, such as electromagnetic energy emitting devices, to implement non-corneal manipulations. According to these devices and methods, the sources of treatment energy are activated to direct energy onto parts of the eye, such as the conjunctiva and sclera, to treat presbyopia. The treatments can affect at least one property of the eye and enhance an accommodation of the eye. | 02-18-2010 |
20100049175 | OPHTHALMOLOGIC DEVICE FOR BREAKING DOWN EYE TISSUE - An opthalmological apparatus ( | 02-25-2010 |
20100049176 | Device and Method for Incremental Correction of Sight Disorders and Ocular Diseases - A device and method of use thereof for incrementally adjusting the size and/or shape of a particular body part is provided. The device comprises first and second layers each formed of a synthetic resin. The first layer is formed of a heat-shrinkable material having a low melting point while the second layer has a melting point much higher than the first layer. Upon being subjected to energy, the first layer will shrink or contract causing the second layer, and thus the overall device, to bend in the direction of contraction. In use, the device is inserted into the particular body part after which energy is applied to the device so as to cause the body to expand, move, reshape, etc. The invention is particularly useful for treatment of accommodative disorders of the eye by positioning one or more of the devices within the eye sclera or attached to the sclera around the limbus so that the sclera and ciliary body are expanded away from the crystalline lens upon being of the device. | 02-25-2010 |
20100076418 | OPHTHALMOLOGIC DEVICE FOR BREAKING DOWN EYE TISSUE - An opthalmological apparatus ( | 03-25-2010 |
20100082018 | METHOD AND SYSTEM FOR RESHAPING THE CORNEA - A system and method are provided for reshaping the surface of a resilient transparent material such as a cornea. In the system, a laser unit generates a femto-second laser beam to deliver focused energy inside the material. Specifically, the energy is focused over a defined spot pattern to weaken the material. Further, the system includes a contact element that forms a contour surface. In order to reshape the material, the system provides for holding the contour surface of the contact element against the surface of the weakened material. After holding the contour surface against the material for a pre-determined time duration, the surface of the material is reshaped with a desired configuration that substantially mimics the contour surface of the contact element. | 04-01-2010 |
20100106143 | APPARATUS, METHOD AND CONTROL PROGRAM FOR OPHTHALMOLOGICAL, IN PARTICULAR, REFRACTIVE LASER SURGERY - Disclosed is an apparatus for opthalmological, in particular, refractive laser surgery, which aligns a required ablation profile on a specified corneal point, which it calculates from the image data of an eye tracker, taking account of the depth of the anterior chamber of the eye, including the depth of the cornea, calculated individually for the respective patient. | 04-29-2010 |
20100114077 | SYSTEMS AND METHODS FOR FINE-TUNING REFRACTIVE SURGERY - Systems and methods for fine-tuning refractive shapes for vision treatment are provided. Techniques encompass determining a variable index of refraction for a cornea of the eye, and determining the refractive treatment shape for the eye based on the variable index of refraction. Techniques also encompass determining a variable radius of curvature of an anterior surface of a cornea of the eye, and determining the refractive treatment shape for the eye based on the variable radius of curvature. | 05-06-2010 |
20100114078 | METHOD AND APPARATUS FOR UNIVERSAL IMPROVEMENT OF VISION - “Universal improvement” of vision is achieved by effectively changing the shape of the anterior refracting surface of the cornea to an ideal “turtleback” shape, on which is imposed the necessary curvature adjustment to achieve correction of distance vision. In accordance with one embodiment, the cornea is actually formed to the turtleback shape through corneal surgery, preferably laser ablation surgery. In accordance with a second embodiment, a contact lens with the desired distance corrected ideal turtleback shape on its anterior surface is positioned over the cornea. | 05-06-2010 |
20100114079 | LENTICULAR REFRACTIVE SURGERY OF PRESBYOPIA, OTHER REFRACTIVE ERRORS, AND CATARACT RETARDATION - Methods for the creation of microspheres treat the clear, intact crystalline lens of the eye with energy pulses, such as from lasers, for the purpose of correcting presbyopia, other refractive errors, and for the retardation and prevention of cataracts. Microsphere formation in non-contiguous patterns or in contiguous volumes works to change the flexure, mass, or shape of the crystalline lens in order to maintain or reestablish the focus of light passing through the ocular lens onto the macular area, and to maintain or reestablish fluid transport within the ocular lens. | 05-06-2010 |
20100130967 | Method and Apparatus for Enhanced Corneal Accommodation - A system and method for improving the accommodative power of a focusing unit (e.g. an eye) involves increasing the flexibility of a first optical element in the unit (e.g. the cornea of the eye). Specifically, the needed flexibility is determined from diagnostic data, and the first optical element is structurally weakened according to the data. With this weakened structure (i.e. increased flexibility), the first element is better able to comply with configuration changes in a second optical element in the focusing unit (e.g. the lens of the eye). The consequence is, improved accommodation. For the present invention, the improved compliance to achieve optimal accommodation is accomplished either by performing appropriate LIOB on stromal tissue in the eye, or by application of a topical medium to selected areas on the anterior surface of the eye. | 05-27-2010 |
20100130968 | SYSTEM FOR OPHTHALMOLOGY OR DERMATOLOGY - The invention relates to a system for ophthalmology or dermatology, having a laser unit for generating pulsed laser radiation, the pulse length of the laser pulses lying in the femtosecond range, a hand unit for emitting laser radiation generated by the laser unit, and a flexible light waveguide for delivering the laser radiation generated by the laser unit to the hand unit. The invention furthermore relates to a corresponding hand unit for emitting pulsed laser radiation generated by a laser unit, the laser radiation having pulse lengths in the femtosecond range. | 05-27-2010 |
20100137849 | MULTIPLE-SPOT LASER REFRACTIVE OPHTHALMIC SURGERY - An apparatus for material processing by laser radiation, including a laser source which emits a processing beam, and a beam path for focusing and scanning, the beam path focusing the processing beam into a processing volume and shifting the position of the focus therein. A beam splitting device generates several foci in the processing volume and the beam splitting device splits the processing beam up into a primary beam and at least one secondary beam and leaves the cross section of the beam in a pupil plane of the beam path unchanged during said division and introduces an angle of separation between the primary and secondary beams, so that these beams expand in the beam path in directions which differ by the angle of separation. | 06-03-2010 |
20100174274 | MINIMIZING THE SIDE-EFFECTS OF REFRACTIVE CORRECTIONS USING STATISTICALLY DETERMINED IRREGULARITIES IN INTRASTROMAL INCISIONS - A system and method for minimizing adverse visual effects that may be introduced during laser refractive surgery, requires making laser incisions into stromal tissue in a predetermined manner. Specifically, a plurality of irregular incisions are statistically distributed in the stroma in a manner that causes them to be visually elusive, and thereby minimize their adverse visual effects. The incisions must, however, still accomplish their intended surgical purpose of weakening the stroma in a predetermined manner. To do this, each irregular incision has a width of arc length dθ | 07-08-2010 |
20100179520 | WAVEFRONT REFRACTIONS AND HIGH ORDER ABERRATION CORRECTION WHEN WAVEFRONT MAPS INVOLVE GEOMETRICAL TRANSFORMATIONS - Wavefront measurements of eyes are typically taken when the pupil is in a first configuration in an evaluation context. The results can be represented by a set of basis function coefficients. Prescriptive treatments are often applied in a treatment context, which is different from the evaluation context. Hence, the patient pupil can be in a different, second configuration, during treatment. Systems and methods are provided for determining a transformed set of basis function coefficients, based on a difference between the first and second configurations, which can be used to establish the vision treatment. | 07-15-2010 |
20100191227 | System and Method for Correcting Higher Order Aberrations with Changes in Intrastromal Biomechanical Stress Distributions - A method for correcting higher order aberrations in an eye requires Laser Induced Optical Breakdown (LIOB) of stromal tissue. In detail, the method identifies at least one volume of stromal tissue in the eye, with each volume defining a central axis parallel to the visual axis of the eye. Thereafter, a pulsed laser beam is focused to a focal spot in each volume of stromal tissue to cause LIOB of stromal tissue at the focal spot. Further, the focal spot is moved through the volume of stromal tissue to create a plurality of incisions centered about the respective central axis of the volume. As a result, a predetermined selective weakening of the stroma is caused for correction of the higher order aberration. | 07-29-2010 |
20100191228 | System and Method for Refractive Surgery with Augmentation by Intrastromal Corrective Procedures - A system and method are provided for an ophthalmic surgical procedure to provide a refractive correction for an eye. Specifically, the procedure is indicated when the desired refractive correction “d | 07-29-2010 |
20100191229 | Methods for Employing Intrastromal Corrections in Combination with Surface Refractive Surgery to Correct Myopic/Hyperopic Presbyopia - A system and method for correcting a vision defect (i.e. presbyopia) of a patient requires two laser units. A first laser unit is used to photoablate (i.e. remove) tissue from the cornea for the creation of a multi-focal cornea that simultaneously provides for both near and distance vision capabilities. A second laser unit can also be used to refine the shape of the cornea by weakening selected portions with LIOB. Together, the removal and weakening of corneal tissue are regulated to optimize the resultant near vision and distant vision capabilities of the patient. | 07-29-2010 |
20100191230 | APPARATUS FOR INDIVIDUAL THERAPY PLANNING AND POSITIONALLY ACCURATE MODIFICATION OF AN OPTICAL ELEMENT - A navigation apparatus for optically analyzing an inner structure of an optical element and processing that element comprises a detection device and a processing device. The detection device has an aperture smaller than 0.25 and the processing device is disposed relative to the analyzed inner structure of the optical element. An apparatus for planning therapy for a human eye comprises a dynamic wavefront measurement device for acquiring wavefront data, a diagnostic device for determining geometric parameters of the optical apparatus of the eye, a controller for consistent superposition of the wavefront and geometric data, and an additional controller for planning the most efficient therapeutic laser cutting paths. | 07-29-2010 |
20100198198 | METHOD AND APPARATUS FOR ENHANCED CORNEAL ACCOMMODATION - A method and apparatus related to enhancing corneal accommodation to address the effect of presbyopia. Corneal/scleral topology measurements in accommodating and non-accommodating states are indicative of a presbyopic subject's nominal corneal accommodative power. A desired accommodative power intended to improve on the effect of presbyopia can be determined, suggesting a selective biomechanical intervention in the corneal structure outside of the optical zone to create flexure regions. These flexure regions would allow enhanced corneal accommodation upon presentation of an accommodating stimulus. Intervention could be in the form of, for example, corneal surface ablation, intrastromal ablation, conductive keratoplasty (CK), laser thermal keratoplasty (LTK), and corneal and/or scleral implants. An improved topology measuring apparatus having an improved field of view and other attributes is disclosed. | 08-05-2010 |
20100217247 | System and Methods for Minimizing Higher Order Aberrations Introduced During Refractive Surgery - A system and method are provided for minimizing the adverse effects of any optical aberrations, and particularly higher order aberrations, that may be introduced into an eye during the correction of a visual defect by photoablation (i.e. removal) of corneal tissue. In accordance with the present invention, after a predetermined time interval following the photoablation of tissue (e.g. about two weeks), the eye is evaluated for aberrations. Laser Induced Optical Breakdown (LIOB) is then performed on intrastromal tissue, as needed, to correct for the introduced aberrations. | 08-26-2010 |
20100234833 | TRANSFORMATION METHODS OF WAVEFRONT MAPS FROM ONE VERTEX DISTANCE TO ANOTHER - The present invention provides methods, systems and software for scaling optical aberration measurements of optical systems. In one embodiment, the present invention provides a method of reconstructing optical tissues of an eye. The method comprises transmitting an image through the optical tissues of the eye. Aberration data from the transmitted image is measured across the optical tissues of the eye at a first plane. A conversion algorithm is applied to the data, converting it to corrective optical power data that can be used as a basis for constructing a treatment for the eye at a second plane. | 09-16-2010 |
20100241107 | Ophthalmic Laser Apparatus - An ophthalmic laser apparatus includes components for providing a first pulsed laser beam ( | 09-23-2010 |
20100241108 | Apparatus and Method for LASIK - An apparatus for LASIK is equipped with the following:
| 09-23-2010 |
20100249761 | SYSTEM AND METHOD FOR ALTERING THE OPTICAL PROPERTIES OF A MATERIAL - A system for changing the configuration of a transparent, resilient material, for the purpose of altering its optical properties, requires obtaining a topology for the material. The obtained data is then used to create a computer program for operating a laser unit. In accordance with the program, the laser unit creates incisions within a defined operational volume, inside the material, to weaken the material (i.e. change its internal stress distributions). Specifically, the incisions are made on predetermined surfaces (e.g. cylindrical surfaces) in the operational volume by Laser Induced Optical Breakdown (LIOB). As a consequence of the incisions, the material undergoes the desired configurational change in response to external forces applied on the material. | 09-30-2010 |
20100249762 | System for Performing Intrastromal Refractive Surgery - A system for performing intrastromal ophthalmic laser surgery requires Laser Induced Optical Breakdown (LIOB) of stromal tissue without compromising Bowman's capsule (membrane). In detail, the system is computer-controlled to create symmetrical cuts in the stroma relative to a defined axis of the eye. Importantly, these cuts are all distanced from the axis. The actual location and number of cuts in the surgery will depend on the degree of visual aberration being corrected. Further, the system may create different types of cuts in the stroma. For example, the symmetrical cuts (by type) may include cylindrical, radial or annular layer cuts. The different type cuts may be intersecting or non-intersecting depending on the visual aberration being treated. | 09-30-2010 |
20100274234 | Methods and Devices for Refractive Treatments of Presbyopia - Presbyopia in a patient's eye is treated by inducing spherical aberration in the central section of the pupil, while the peripheral section of the pupil is treated in a manner other than the central section of the pupil. For example, the peripheral section of the pupil may remain untreated, or high-order aberration may be controlled, and/or a second area of spherical aberration may be provided with different focus power. | 10-28-2010 |
20100280503 | LASER SYSTEM THAT IS GENTLE ON THE EYES, FOR REFRACTIVE SURGERY - Described is an eye treatment device having a radiation source, the light emitted by the radiation source having such a wavelength range that it brings about a reaction in a treatment region of an eye and is absorbed, at least partially, in at least one of the regions located behind same in the direction of the retina that are in front of the retina. The light emitted by the radiation source can have a wavelength range in which the treatment region is partially transmissive. The treatment region can be the cornea. The reaction brought about in the treatment region by the light can be an ablation of tissue. The reaction brought about in the treatment region by the light can also be a laser-induced optical perforation of tissue, which is also referred to as photo-disruption. The radiation source can be a laser source. The wavelength range of the light emitted by the radiation source is approximately 1600 nm to approximately 1700 nm, preferably approximately 1625 nm to approximately 1675 nm, most preferably approximately 1640 nm to approximately 1660 nm. | 11-04-2010 |
20100292677 | Method for Determining Control Information for Photorefractive Corneal Surgery and Method for Providing Correction Information Required Therefor - A method for determining control information for controlling laser radiation irradiated onto the cornea of an eye to be treated photorefractively comprises correcting a corneal ablation profile, obtained by measuring optical properties of the eye, with the aid of correction information, the control information being formed on the basis of the corrected ablation profile thus produced. According to the invention, the correction of the ablation profile is performed in the spatial frequency domain. To this end, the ablation profile is transformed into a spatial frequency spectrum. Corrected amplitude or/and phase values are then determined for various discrete spectral components of the ablation profile on the basis of stored amplitude or/and phase correction information. Subsequently, the spatial frequency spectrum with the amplitude or/and phase corrected spectral components is backtransformed into the geometric spatial domain. The result is the corrected ablation profile. The amplitude and phase correction information in this case respectively represent for a number of spatial frequencies differing at least by the frequency value a predetermined relationship between values of the amplitude or/and phase at the relevant spatial frequency and corrected amplitude or/and phase values at this spatial frequency. | 11-18-2010 |
20100292678 | SYSTEM AND METHOD FOR PROVIDING LASER SHOT PATTERNS TO THE LENS OF AN EYE - There is provided a system, apparatus and methods for developing laser systems that can create precise predetermined shot patterns for providing areas of varying softness in the lens of an eye. These areas of varying softness may have shapes that correspond to instruments used to remove material from the lens of the eye. There is further provided a multiplicity of spheres pattern, which may provide for bubble formation which in turn lubricates the lens material for removal after sectioning. | 11-18-2010 |
20100298818 | DEVICE AND PROCEDURE FOR REFRACTIVE LASER SURGERY - The invention involves a device and a procedure for refractive laser surgery on a target object. With the aid of a laser beam source, an fs-impulse laser beam is generated. A second laser beam source generates a UV laser beam. A shared scanner device utilises the fs-impulse laser beam and the UV laser beam for the scanning of the target object. | 11-25-2010 |
20100312231 | A METHOD AND A SYSTEM FOR LASER PHOTOABLATION WITHIN A LENS - The present invention provides a method for ablating a presbyopic lens for restoring accommodation in human eye and a system thereof wherein a laser beam is directed obliquely to carry out multiple photoablations in circular way within the lens behind the iris and preferably near the edge or equator of the lens and/or in the vicinity of zonules to re-establish accommodation of the lens lost due to presbyopia. | 12-09-2010 |
20100331830 | TREATMENT DEVICE FOR SURGICALLY CORRECTING AMETROPIA OF AN EYE AND METHOD FOR CREATING CONTROL DATA THEREFORE - A treatment device for the surgical correction of hyperopia in the eye comprising a laser device controlled by a control device. The laser device separating corneal tissue by applying laser radiation. The control device controls the laser device for emitting the laser radiation into the cornea such that a lenticule-shaped volume is isolated. Removal thereof effects the desired correction. The control device ( | 12-30-2010 |
20100331831 | TREATMENT DEVICE FOR OPERATIVELY CORRECTING DEFECTIVE VISION OF AN EYE, METHOD FOR PRODUCING CONTROL DATA THEREFOR AND METHOD FOR OPERATIVELY CORRECTING DEFECTIVE VISION OF AN EYE - A treatment apparatus for operatively correcting myopia or hyperopia in an eye includes a laser device controlled by a control device and that separates the corneal tissue by applying a laser beam. The control device controls the laser device to emit the laser beam into the cornea such that a lenticule-shaped volume is isolated in the cornea. The control device, when controlling the laser device, predefines the lenticule-shaped volume such that the volume has a minimum thickness of between 5 and 50 μm. For myopia correction, the minimum thickness occurs on the edge of the volume, and for hyperopia correction the minimum thickness occurs in the region of the visual axis. | 12-30-2010 |
20110022037 | System and Method for Minimizing the Side Effects of Refractive Corrections Using Line or Dot Cuts for Incisions - A system and method for performing refractive surgery in an eye requires creating a plurality of cuts in the stroma or the lens that are randomly positioned relative to a reference axis. The geometry for each cut is unique and includes a start point in the stroma that is identified by a distance “r” from the axis, and an azimuthal angle “θ” that is measured around the axis. A computer provides concerted control for a laser unit and an optical scanner to randomly vary the start point for each cut, to create a pattern of cuts that will implement the desired refractive surgery, yet be visually illusive. | 01-27-2011 |
20110028956 | Method For Stabilizing Delivered Laser Energy - Systems and methods provide for stabilizing the amount of laser energy delivered to a target from a laser device. Generally, delivered laser energy is measured over multiple laser pulses or over time in the case of a constant wave laser. A decrease is then calculated in the delivered energy, the decrease being caused by accumulation of one or more substances, such as ozone, along the laser beam delivery path due to passage of the laser beam along the path. Using this calculated decrease, a laser device may be adjusted to compensate for the decrease in delivered energy due to the accumulated substance(s), thus stabilizing the amount of energy delivered to the target. | 02-03-2011 |
20110040292 | APPARATUS FOR OPTHALMOLOGICAL, IN PARTICULAR REFRACTIVE, LASER SURGERY - An apparatus for ophthalmological, in particular refractive, laser surgery includes a laser-beam source ( | 02-17-2011 |
20110040293 | SYSTEM AND METHOD FOR INTRASTROMAL REFRACTIVE CORRECTION - System and method of intrastromal refractive correction. The system includes a laser source operable to produce a pulsed beam, a scanner operable to direct the pulsed beam at the eye, and a controller coupled to the laser source and the scanner. The controller determines an intrastromal incision pattern based on a refractive condition of an eye, and directs the scanner to intrastromally incise the pattern in an applanated cornea with the pulsed beam. Following de-applanation, the cornea is reshaped in response to the intrastromal incision pattern to correct the refractive condition. | 02-17-2011 |
20110040294 | Method and device for the representation of an operation area during laser operations - A method for monitoring the processing of a lens includes recording the lens using a spatial recording system so as to generate image information for the lens; generating an actual three-dimensional image of the lens from the image information on a spatial display unit; and displaying the actual three-dimensional image of the lens together with a predetermined three-dimensional image of at least a portion of an eye on the spatial display unit. | 02-17-2011 |
20110071509 | METHOD FOR MODIFYING THE REFRACTIVE INDEX OF OCULAR TISSUES - A method for providing vision correction to a patient. The method includes: (a) measuring the degree of vision correction needed by the patient and determining the location and shape of refractive structures that need to be positioned within the cornea to partially correct a patient's vision; (b) directing and focusing femtosecond laser pulses in the blue spectral region within the cornea at an intensity high enough to change the refractive index of the cornea within a focal region, but not high enough to damage the cornea or to affect cornea tissue outside of the focal region; and (c) scanning the laser pulses across a volume of the cornea or the lens to provide the focal region with refractive structures in the cornea or the lens. Again, the refractive structures are characterized by a change in refractive index, and exhibit little or no scattering loss. | 03-24-2011 |
20110087200 | Method and Apparatus for Universal Improvement of Vision - “Universal improvement” of vision is achieved by effectively changing the shape of the anterior refracting surface of the cornea to an ideal “turtleback” shape, on which is imposed the necessary curvature adjustment to achieve correction of distance vision. In accordance with one embodiment, the cornea is actually formed to the turtleback shape through corneal surgery, preferably laser ablation surgery. In accordance with a second embodiment, a contact lens with the desired distance corrected ideal turtleback shape on its anterior surface is positioned over the cornea. | 04-14-2011 |
20110092965 | NON-PENETRATING FILTRATION SURGERY - Apparatus for ophthalmic surgery, especially non-penetrating filtration surgery, comprising a laser source that ablates sclera tissue at steps of intermediate thickness. Optionally, the beam is scanned using a scanner and its results viewed using an ophthalmic microscope. | 04-21-2011 |
20110106066 | Methods and Systems for Treating Presbyopia - Methods and systems for treating presbyopia are provided. In accordance with an embodiment, by way of example only, a method of treating presbyopia of an eye includes ablating the stroma to form a final ablated shape in the stroma, the final ablated shape including a central zone defined by a concavity having a central zone depth and a central zone diameter, the central zone depth and the central zone diameter each selected to provide the cornea with a near-vision add power after the epithelium is regenerated over the stroma. | 05-05-2011 |
20110118712 | LASER CORRECTION OF VISION CONDITIONS ON THE NATURAL EYE LENS - The invention relates to an ophthalmologic laser system ( | 05-19-2011 |
20110137300 | Treatment pattern monitor - The invention relates to an apparatus and a method for determining the applicability of a treatment pattern for manipulation of a cornea of an eye using a laser. The concept of the present invention is based on the determination of an actual volumetric profile based on a set of input data and a theoretical volumetric profile which is created independently based on only the basic optical parameters. On the basis of a comparison of the determined volumetric profiles it is determined whether the actual volumetric profile is within predetermined tolerances. | 06-09-2011 |
20110137301 | EXCIMER LASER UNIT AND RELATIVE CONTROL METHOD FOR PERFORMING CORNEA ABLATION TO REDUCE PRESBYOPIA - An excimer laser unit and a method of controlling the unit to perform cornea ablation to reduce presbyopia, wherein the excimer laser unit is controlled to form on the cornea a photoablative pattern inducing a fourth-order ocular aberration, in particular a positive spherical aberration. An aberrometric map of the eye is first acquired indicating the visual defects of the eye, which include second-order visual defects such as hypermetropia, astigmatism, and myopia, and higher-order visual defects such as spherical aberration; if the detected spherical aberration is negative, it is reduced by numerically increasing its absolute value to obtain an overcorrect photoablative inducing positive spherical aberration; conversely, if the detected spherical aberration is positive, its sign is changed and its absolute value increased numerically to obtain an overcorrect photoablative pattern inducing positive spherical aberration; and the photoablative pattern so generated is supplied to the excimer laser unit for implementation on the cornea. | 06-09-2011 |
20110144628 | SYSTEM FOR REFRACTIVE OPHTHALMOLOGICAL SURGERY - A system for refractive ophthalmological surgery, in particular LASIK, has—in addition to the ablation laser and, where appropriate, further optical guidance means ( | 06-16-2011 |
20110144629 | Method for Complementing Conventional Vision Correction with Laser Correction of the Cornea - A system and method for reshaping the cornea of an eye with a laser that also incorporates a subsequent compensation for residual vision aberrations. A diagnostic unit obtains a pre-op prescription for the eye and predicts an induced refractive shift resulting from laser treatment. Based on this data, a preview lens is selected or manufactured to evaluate the tolerance of a patient to a predicted post-op vision. Then, a laser unit is used to alter the cornea of the eye (i.e. laser treatment) to increase the depth-of-field of the eye. Subsequently, after the laser treatment has been completed, conventional vision correction is provided by spectacles, intraocular lenses or contact lenses. This conventional correction will then compensate for any remaining pre-op aberrations, as well as any residual aberrations in the patient's post-op vision that may have been induced during the laser treatment. | 06-16-2011 |
20110152846 | VISION CORRECTION SYSTEM AND OPERATING METHOD THEREOF - A vision correction system and an operating method thereof are provided. The vision correction system includes an evaluation device and a correction device. The evaluation device scans an eyeball of a person and records a spherical curvature of a cornea of the eyeball as an evaluation data. The correction device includes an operation unit for receiving the evaluation data recorded by the evaluation device, and operating on and converting the evaluation data into a correction data. The correction device further includes a laser unit controlled by the operation unit for respectively forming a correction area and a prevention area on the cornea of the eyeball of the person according to the correction data. The prevention area is formed as multiple convex arcs outwards from the correction area of the cornea of the eyeball, and each of convex arcs has a different radius. | 06-23-2011 |
20110166557 | LASER SYSTEM AND METHOD FOR ASTIGMATIC CORRECTIONS IN ASSSOCIATION WITH CATARACT TREATMENT - There is provided a system, apparatus and methods for developing laser systems that can create precise predetermined clear corneal incisions that are capable of reducing astigmatism. The systems, apparatus and methods further provide laser systems that can provide these incisions at or below Bowman's membrane and in conjunction a precise predetermined capsulotomy shot pattern. | 07-07-2011 |
20110166558 | SYSTEMS AND METHODS FOR CORRECTING HIGH ORDER ABERRATIONS IN LASER REFRACTIVE SURGERY - Optical correction methods, devices, and systems reduce optical aberrations or inhibit refractive surgery induced aberrations. Error source control and adjustment or optimization of ablation profiles or other optical data address high order aberrations. A simulation approach identifies and characterizes system factors that can contribute to, or that can be adjusted to inhibit, optical aberrations. Modeling effects of system components facilitates adjustment of the system parameters. | 07-07-2011 |
20110172650 | METHODS FOR TREATING EYE CONDITIONS - Architectures and techniques for treating conditions of the eye, such as presbyopia, utilize sources of treatment energy, such as electromagnetic energy emitting devices, to implement non-corneal manipulations. According to these devices and methods, the sources of treatment energy are activated to direct energy onto parts of the eye, such as the conjunctiva and sclera, to treat presbyopia. The treatments can affect at least one property of the eye and enhance an accommodation of the eye. | 07-14-2011 |
20110184394 | Apparatus for Cutting a Human Cornea - A device for machining the human cornea with focused pulsed femtosecond laser radiation comprises scanner components for local setting of the beam focus, a control computer for controlling the scanner components, and a control program for the control computer. The control program contains instructions that upon execution by the control computer are designed to bring about the generation of an incision figure in the cornea encompassing a flap incision ( | 07-28-2011 |
20110184395 | METHOD FOR LASER CAPSULOTOMY AND LENS CONDITIONING - A method of creating a capsulotomy and conditioning the crystalline lens is disclosed, wherein a laser is employed that provides improved performance by treating the capsule predominantly prior to treating the lens. | 07-28-2011 |
20110190740 | PLACIDO RING MEASUREMENT OF ASTIGMATISM AXIS AND LASER MARKING OF ASTIGMATISM AXIS - A laser treatment system that includes means for measuring an astigmatism axis of a cornea of an eye of a patient and means for applying a laser beam to the eye. | 08-04-2011 |
20110190741 | Coupling of an eye to a laser device - According to an exemplary embodiment, a process for coupling a mechanical interface unit to a suction-ring unit retained on an eye by suction force includes a step of relative approximating of the interface unit to the suction-ring unit in an axial direction as far as a first, predetermined relative position of the two components, which is preferentially detected by suitable sensorics. When the first relative position is attained, the evacuation is begun of a suction chamber formed between the interface unit, the suction-ring unit and the surface of the eye, whereby the partial vacuum generated establishes in the suction chamber a contact between the surface of the eye and an applanation plate retained on the interface unit, or enlarges a region of existing contact. The aspirating of the eye onto the applanation plate prevents compression loads and shear loads on the eye such as normally cannot be avoided when impressing the plate onto the eye. | 08-04-2011 |
20110190742 | METHOD FOR TREATING KERATOCONUS BY UV RADIATION AND A DEVICE FOR CARRYING OUT SAID METHOD (VARIANTS) - The invention relates to ophthalmology and is used for treating keratoconus. The inventive method comprises forming one or more radiation areas of different shape, comprising concentric circles, arcs, parallel lines, cells, grids, spirals or other geometrical figures. In the other variant, the method comprises polarizing UV radiation and adjusting the depth of the UV radiation action by directing the UV radiation polarization plane at an angle of 1-180° to the plane of light polarization by the cornea, thereby using the effect of light polarization by the cornea. The device for treating keratoconus comprises, positioned on the optical axis common with an UV radiation source optical focusing elements and a diaphragm. The diaphragm is situated on the optical axis common with the UV radiation source and is made in the form of a mask with alternating transparent and shaded elements in the form of concentric circles, arcs, parallel lines, cells, grids, spirals or other geometrical figures. In the other variant, the device comprises, situated on the optical axis common with the UV radiation source, the optical focusing elements, the diaphragm and a polarisor. | 08-04-2011 |
20110190743 | Presbyopia Correction Program - Systems and methods for treating presbyopia are provided. In one embodiment, a system for photorefractive treatment of presbyopia includes a laser source configured for ablating corneal tissue and a control system in communication with the laser source and configured to control the laser source to ablate conical tissue of a patient to achieve a desired corneal shape. In some instances, the control system controls the laser source by calculating a global optimum regarding curvature and asphericity of the cornea. In some instances, control system controls the laser source by calculating a central steep island and calculating a curvature and asphericity for the rest of the cornea. In some embodiments, a laser source is controlled to ablate the cornea of the patient in accordance with a calculated shape profile to achieve a desired corneal shape. | 08-04-2011 |
20110190744 | Operator-Controlled Scanning Laser Procedure Designed for Large-Area Epithelium Removal - Systems and methods for removing an epithelial layer disposed over a stromal layer in a cornea irradiate a region of the epithelial layer with a pulsed beam of ablative radiation. The ablative radiation is scanned to vary the location of the beam within the region in accordance with a pulse sequence. The pulse sequence is arranged to enhance optical feedback based on a tissue fluorescence of the epithelial layer. The penetration of the epithelial layer is detected in response to the optical feedback. The use of scanning with the pulse sequence arranged to enhance optical feedback allows large areas of the epithelium to be ablated such that an operator can detect penetration of the epithelial layer. | 08-04-2011 |
20110208172 | Eye measurement and modeling techniques - A refractive surgical system, comprising a refractive treatment apparatus adapted to alter multiple localized regions of a cornea and an ophthalmic measurement device adapted to measure a corneal shape parameter at at least two locations on the cornea. A corneal modeling apparatus and method to calculate anticipated corneal shape parameters at two or more locations based on parameters of a refractive treatment, and compare shape parameters measured at two or more locations on the cornea corresponding to the two or more locations of the anticipated corneal shape parameters. | 08-25-2011 |
20110224657 | Registration of Corneal Flap With Ophthalmic Measurement and/or Treatment Data for Lasik and Other Procedures - Systems and methods are disclosed for registering a corneal flap for laser surgery on an eye. The method includes generating a first image of the eye during a diagnostic procedure, determining a corneal flap geometry referenced to the first image, generating a second image of the eye during to a treatment procedure, comparing the first image with the second image, and registering the corneal flap geometry of the first image to the second image. | 09-15-2011 |
20110224658 | OPHTHALMOLOGIC LASER SYSTEM AND OPERATING METHOD - An ophthalmologic laser system and an operating method. The laser system includes a laser, a scanner unit, a focusing lens and a beam splitter that directs radiation that reaches the beam splitter from the direction of the area of examination through a confocal aperture orifice onto a detector. The invention also includes a control unit with which a cornea arranged in the examination area can be irradiated by the laser at illumination laser power and detection light can be registered by the detector. The cornea is scanned in three dimensions, in that the cornea is irradiated at multiple points and detection light is registered from there. Based on the detection light, a laser cut in the cornea is identified and the form and/or position of the laser cut calculated. The invention further relates to refractive laser surgery. | 09-15-2011 |
20110224659 | Intrastromal Hyperplanes for Vision Correction - A system and method for influencing the asphericity of the cornea of an eye requires creating a cut inside the stroma by Laser Induced Optical Breakdown (LIOB). Specifically, this cut is made over a substantially hyperbolic surface that is substantially centered on the visual axis of the eye, with its curvature opposite the curvature of the cornea. The cut can be made separately, or in conjunction with other LIOB cuts that are introduced to correct specific vision defects. | 09-15-2011 |
20110238045 | METHOD FOR CONTROLLING A DEVICE FOR TREATING THE HUMAN EYE - A method for controlling a device for the treatment or refractive correction of the human eye using an electronic data processing system provides a simple overview of the influence of all of the parameters. To this end, once the operating parameters have been determined, a graphical simulation of the operating procedure is carried out in the form of a graphical visualization. | 09-29-2011 |
20110238046 | DEVICE AND METHOD FOR CONTROLLING A LASER THERAPY OF THE EYE - A device for controlling a laser therapy of the eye, including an evaluation unit that determines an intensity of a transient temperature effect by analysis of interferometric signals obtained from the eye and a control unit that controls the laser therapy, which is based on said transient temperature effect, the control unit being connected with said evaluation unit. A method for controlling a laser therapy of the eye, includes determination of the intensity of a transient temperature effect that is utilized for the control of the laser therapy, based on the effect, by analysis of interferometric signals. | 09-29-2011 |
20110251601 | OPHTHALMOLOGICAL LASER SYSTEM AND OPERATING METHOD - An ophthalmological laser system and operating method wherein laser-supported operative interventions can be achieved with higher accuracy. The cornea is irradiated with an ophthalmological laser and a detection light confocally recorded, the cornea being scanned in three-dimensions by irradiation with an illuminating laser power using a scanner unit along several directions at several points. Using the simultaneously recorded detection light the position and/or shape of a posterior boundary surface of the cornea is determined. A lamella parallel to the posterior boundary surface can then be cut. | 10-13-2011 |
20110257639 | METHODS FOR TREATING EYE CONDITIONS - Architectures and techniques for treating conditions of the eye, such as presbyopia, utilize sources of treatment energy, such as electromagnetic energy emitting devices, to implement non-corneal manipulations. According to these devices and methods, the sources of treatment energy are activated to direct energy onto parts of the eye, such as the conjunctiva and sclera, to treat presbyopia. The treatments can affect at least one property of the eye and enhance an accommodation of the eye. | 10-20-2011 |
20110264082 | APPARATUS FOR THE CROSS-LINKING OF OCULAR TISSUE WITH ELECTROMAGNETIC RADIATION - An apparatus for generating an alteration of biomechanical properties of ocular tissue, into which a photosensitiser ( | 10-27-2011 |
20110276042 | Method device and system for determining a system parameter of a laser beam treatment system - The invention relates to a method for determining an actual value of at least one system parameter or a deviation from a set value of at least one parameter of a system for the treatment of an eye using a treatment laser beam emitted by said system. According to the invention, the surface of a calibrating body is ablated with at least a partial beam of the treatment laser beam with a predetermined ablation program. The surface ablated by the treatment laser beam is examined by means of aberrometry and/or profilometry. The actual value of the system parameter or the deviation from the set value of the system parameter is determined on the basis of the examination data detected during the examination. | 11-10-2011 |
20110276043 | Apparatus and method for providing a laser shot file - The invention relates to an apparatus, an algorithm and a method for providing a laser shot file for use in a laser. The laser may be an excimer laser. The shot file may be applied for performing a refractive laser treatment of an eye or for producing a customized contact lens or an intraocular lens. According to the invention information with respect to a desired ablation profile is provided and a first series of laser shot positions is calculated based on the desired ablation profile. A simulated ablation profile is generated using said first series of laser shot positions and using information about pulse characteristics of a single laser shot. The simulated ablation profile is compared with the desired ablation profile and residual structures are determined. | 11-10-2011 |
20110282333 | Method and apparatus for treatment of ocular tissue using combined modalities - An apparatus and a method are provided for treating a targeted area of ocular tissue in a tissue-sparing manner comprising use of two or more therapeutic modalities, including thermal radiation source (such as an CW infrared fiber laser), operative in a wavelength range that has a high absorption in water, and photochemical collagen cross-linking (CXL), together with one or more specific system improvements, such as peri-operative feedback measurements for tailoring of the therapeutic modalities, an ocular tissue surface thermal control/cooling mechanism and a source of deuterated water/riboflavin solution in a delivery system targeting ocular tissue in the presence of the ultraviolet radiation. Additional methods of rapid cross-linking (RXL), are provided that further enables cross-linking (CXL) therapy to be combined with thermal therapy. | 11-17-2011 |
20110295243 | Laser-based methods and systems for corneal surgery - A method for surface ablation of cornea tissue comprising the steps of (i) providing a laser source that is adapted to generate and transmit focused pulsed laser energy, the laser source including a delivery head that is adapted to direct the laser energy to a target structure of an eye, (ii) disposing the delivery head a spaced distance from the target eye structure, and (iii) transmitting the laser energy to the target eye structure, whereby the surface of the eye structure tissue is primarily, more preferably, solely ablated. | 12-01-2011 |
20110295244 | Ophthalmologic Surgical System - The present invention relates to a method for generating a control program for ophthalmologic LASIK surgery, with which a pulsed laser system can be controlled for the photodisruptive cutting of a flap, having the following steps: obtaining empirical data, which relate to the effect in particular of flap shapes and ablation profiles on postoperative refractive results, obtaining measurement data relating to the eye to be treated, calculating an optimal cutting shape for the photodisruptive cutting of the flap by taking into account the said empirical data and the said measurement data, and generating the control program on the basis of the calculated cutting shape. | 12-01-2011 |
20110301582 | OPHTHALMIC SYSTEMS AND RELATED METHODS - Systems and methods for modifying an eye including a light source with light elements, a photodetector producing a signal representing images of the light elements and corresponding to locations on an ocular surface, an optical system directing light from the light elements reflected by the ocular surface onto the photodetector, a memory including code for processing the signal, and a processor for executing the code and outputting shape data for use in calculating a treatment plan for the eye. The code includes instructions for determining the shape data based on a combination of zonal reconstruction and polynomial fitting using the plurality of images. | 12-08-2011 |
20120016351 | DEVICE AND METHOD FOR PRODUCING CONTROL DATA FOR THE SURGICAL CORRECTION OF DEFECTIVE EYE VISION - A device for producing control data for a laser device for the surgical correction of defective vision. The device produces the control data such that the laser emits the laser radiation such that a volume in the cornea is isolated. The device calculates a radius of curvature R | 01-19-2012 |
20120016352 | OPHTHALMOLOGIC LASER SYSTEM - An ophthalmological laser system for photodisruptive irradiation of ocular tissue, including a crystalline lens or a cornea. The system includes an ultra-short pulse laser, the radiation of which is focusable as illumination light via an illumination beam path including a scanner unit and focusing optics. A control unit is programmed to execute determining irradiation control data for photodisruptions at irradiation points in an interior of the ocular tissue distributed three-dimensionally and non-equidistantly to create at least one predetermined target incision. The laser system then irradiates the ocular tissue according to the determined irradiation control data. | 01-19-2012 |
20120016353 | APPARATUS AND METHOD FOR REMOVING A LENTICLE FROM THE CORNEA - An apparatus and method for removing a lenticle from the cornea. For this purpose, a device for liquefying the lenticle and a device for suctioning off the resulting fluid are provided. The lenticle is liquefied and the resulting fluid is then suctioned off. | 01-19-2012 |
20120029492 | DEVICE FOR PROCESSING EYE TISSUE BY MEANS OF FEMTOSECOND LASER PULSES - For processing eye tissue ( | 02-02-2012 |
20120035598 | DEVICE AND METHOD FOR PRODUCING CONTROL DATA FOR THE SURGICAL CORRECTION OF DEFECTIVE EYE VISION - A device for producing control data for a laser device for the surgical correction of defective vision. The device produces the control data such that the laser emits the laser radiation such that a volume in the cornea is isolated. The device calculates a radius of curvature R | 02-09-2012 |
20120041429 | METHOD AND DEVICE FOR PERFORMING ONLINE ABERROMETRY IN REFRACTIVE EYE CORRECTION - A device for correcting visual defects of an eye comprises a coherent light source, a beam modification device for shaping and deflecting a beam of the coherent light source, and a wavefront analyzer device for analyzing a wavefront of an optical path in the eye. | 02-16-2012 |
20120059363 | CAPSULAR MEMBRANE TREATMENTS TO INCREASE ACCOMMODATIVE AMPLITUDE - Methods and apparatus treat the lens capsule so as to increase accommodation of the eye. The treatment of the lens capsule may comprise treating a portion of the lens capsule so as to stiffen the treated portion and improve accommodation of the eye. The intermediate portion of the lens capsule may located between an optically used central portion of the lens capsule and a peripheral portion of the lens capsule connected to zonules of the eye. The stiffened intermediate portion of the lens capsule can improve coupling of the peripheral portion of the lens capsule to the central portion of the lens capsule, such that an amount of accommodation of the optically used central portion of the lens is increased. As the force of the lens capsule to a lens disposed within the lens capsule is increased, the lens may comprise the natural lens of the eye or an artificial lens such as an accommodative IOL. The treatment of the eye to stiffen the intermediate portion may comprise application of one or more of an energy or a substance to the intermediate portion. | 03-08-2012 |
20120078239 | METHOD FOR INCREASING OCULAR DEPTH OF FIELD - A method for performing a corneal ablation procedure on an eye of a patient including determining a refractive correction for the eye and determining a first parameter corresponding to the refractive correction or a condition of the patient. An ablation profile is selected that includes a refractive correction component and a pre-compensating component that is selected based on the first parameter. The ablation profile is configured to promote a controlled induction of a higher order aberration, where the pre-compensating component limits the induction of the higher order aberration to be within a predefined range. The cornea is ablated using the selected ablation profile. | 03-29-2012 |
20120078240 | LASER APPARATUS AND METHOD FOR REFRACTIVE SURGERY - An ultrashort pulsed laser instrument is used to perform refractive surgery. The invention operates in ablative and incisional modalities. In the ablative mode, spiral ablation disks ( | 03-29-2012 |
20120083774 | Interface unit for positioning an object to be irradiated in relation to a radiation source - An interface unit for positioning an object to be irradiated in relation to a radiation source has at least one first positioning surface for positioning the interface unit in relation to the radiation source, and a second positioning surface for bearing on the object to be irradiated. The interface unit provides a path, which passes through the second positioning surface, for the radiation from the radiation source. According to the invention, the interface unit comprises an integrally produced interface body which forms both the at least one first positioning surface and the second positioning surface. The interface body is preferably produced from a plastic material by an injection compression moulding method, in order to achieve the desired high manufacturing accuracy. | 04-05-2012 |
20120083775 | Device and process for machining the human eye using laser technology - A device for machining the human cornea with focused laser radiation includes controllable components for setting the location of the radiation focus, a control computer for controlling these components, and also a control program for the control computer. The control program contains instructions that have been designed to bring about, upon execution by the control computer, the generation of incisions in the cornea in accordance with a predetermined incision figure, the incision figure defining a corneal bed, a flap situated on the bed and also at least one tissue strip situated in the region of the peripheral edge of the flap between the bed and the flap and extending along the edge of the flap. After the flap has been folded away, the tissue strip has to be removed and enables a creaseless post-ablative close fitting of the folded-back flap against the surface of the bed. In this manner, microstriae which may impair the visual capacity can be avoided. | 04-05-2012 |
20120083776 | ANNULAR AND OTHER ABLATION PROFILES FOR REFRACTIVE SURGERY SYSTEMS AND METHODS - Systems, methods, and computer program products are provided for the administration of annular and other ablation profiles during refractive surgery treatments. Basis data framework techniques enable the implementation of both circular and annular ablation profiles resulting in increased ablation efficiency when treating certain vision conditions. In some instances, systems or treatments involve the use of symmetric and asymmetric ablations shapes such as double spots, triple spots, quadruple spots, multiple spots, arc shapes, elliptical shapes, and the like. | 04-05-2012 |
20120136342 | LASER DEVICE AND METHOD FOR MACHINING MATERIAL USING LASER RADIATION - Disclosed is a laser device for machining material, comprising a laser beam source which supplies pulsed laser radiation, and a variable deflection unit that introduces said laser radiation into the material at different, selectable points so as to create optical breakthroughs. The inventive laser device further comprises a pulse-selecting apparatus which modifies selected laser pulses of the pulsed laser radiation regarding at least one optical parameter in such a way that no more optical breakthroughs can be created using the modified laser pulses. | 05-31-2012 |
20120150162 | ONE-CARD PRESBYOPIA SYSTEMS AND RELATED METHODS - Methods and systems for correcting presbyopia using a surgical excimer laser include activating the laser once and transmitting a pre-defined three dimensional ablation profile to treat presbyopia based on the single activating step. | 06-14-2012 |
20120172854 | TREATMENT PLANNING METHOD AND SYSTEM FOR CONTROLLING LASER REFRACTIVE SURGERY - Improved devices, systems, and methods for diagnosing, planning treatments of, and/or treating the refractive structures of an eye of a patient incorporate results of prior refractive corrections into a planned refractive treatment of a particular patient by driving an effective treatment vector function based on data from the prior eye treatments. The exemplary effective treatment vector employs an influence matrix which may allow improved refractive corrections to be generated so as to increase the overall accuracy of laser eye surgery (including LASIK, PRK, and the like), customized intraocular lenses (IOLs), refractive femtosecond treatments, and the like. | 07-05-2012 |
20120172855 | APPARATUS FOR OPHTHALMIC LASER SURGERY - An apparatus for ophthalmic laser surgery includes a contact surface for shaping abutment of an eye to be treated, a first radiation-source for making a treatment laser beam available, optical components for directing the treatment laser beam through the contact surface onto the eye, and also a measuring instrument for measuring the depth of the anterior chamber of the eye bearing against the contact surface, whereby the measuring instrument makes measured data available that are representative of the depth of the anterior chamber of the eye at least one point of the same. The apparatus enables a monitoring of the depth of the anterior chamber for a predetermined limiting value being fallen short of and in this way can prevent a dangerous close approach of the posterior surface of the cornea to the anterior surface of the lens when the eye is pressed against the contact surface. | 07-05-2012 |
20120203215 | DEVICE FOR OPHTHALMOLOGICAL LASER SURGERY - An apparatus for ophthalmic laser surgery includes a contact surface for shaping abutment of an eye to be treated, a first radiation-source for making a treatment laser beam available, optical components for directing the treatment laser beam through the contact surface onto the eye and also a measuring device for measuring at least one corneal thickness dimension or/and positional dimension of the eye bearing against the contact surface, whereby the measuring device makes measured data available that are representative of the measured at least one thickness dimension or/and positional dimension. The measuring device preferably serves for positional surveying of the corneal posterior surface of the eye, whereby an electronic evaluating and control arrangement connected to the measuring device brings about a focus control of the treatment laser beam in a manner depending on the measured position of the posterior surface of the cornea. | 08-09-2012 |
20120215208 | METHOD AND APPARATUS FOR PRECISION WORKING OF MATERIAL - A method for precise working of material, particularly organic tissue, comprises the step of providing laser pulses with a pulse length between 50 fs and 1 ps and with a pulse frequency from 50 kHz to 1 MHz and with a wavelength between 600 and 2000 nm for acting on the material to be worked. Apparatus, in accordance with the invention, for precise working of material, particularly organic tissue comprising a pulsed laser, wherein the laser has a pulse length between 50 fs and 1 ps and with a pulse frequency of from 50 kHz to 1 MHz is also described. | 08-23-2012 |
20120226267 | Surgical Device and Surgical Method - A surgical instrument system for ophthalmic surgery in an eye is provided, comprising: an OCT apparatus including an interferometer; an optical fiber coupled to the OCT apparatus and extending a probe arm of the interferometer; a hand tool comprising: a hand piece, a tube extending away from the hand piece and comprising a distal end portion having a longitudinal axis, wherein a distal portion of the optical fiber is received within the tube; a beam emitter coupled to a tip end of the optical fiber and configured to emit an OCT measuring beam into an emission direction; and an actuator configured to change the emission direction of the OCT measuring beam relative to a tip end of the distal end portion. | 09-06-2012 |
20120259320 | System and Method for Performing Lens Fragmentation - A system and method are provided for fragmenting a crystalline lens, to facilitate its removal from the lens bag during an ophthalmic laser surgery. First, a predetermined pattern is used to make Laser Induced Optical Breakdown (LIOB) cuts that section the lens into asymmetrical, operational segments. At least one operational segment is then selected and softened with a plurality of compact LIOB cuts. Once softened, the selected segment is aspirated. The remaining operational segments are then subsequently removed. During a procedure, an imaging unit can monitor movements of the lens bag to ensure proper placement of the LIOB cuts on the lens. | 10-11-2012 |
20120265181 | SYSTEM AND METHOD FOR MEASURING AND CORRECTING ASTIGMATISM USING LASER GENERATED CORNEAL INCISIONS - A laser system that includes a laser source emitting a laser beam along an axis and a keratometer. The keratometer includes a first set of individual light sources that are equally spaced from one another along a first ring and that direct a first light toward an eye and a second set of individual light sources that are equally spaced from another along a second ring and direct a second light toward the eye, wherein the first ring and said second ring are co-planar and concentric with one another about the axis. The laser system includes a telecentric lens that receives the first light and second light reflected off of the eye and a detector that receives light from the telecentric lens and forms an image. The laser system also includes a processor that receives signals from said detector representative of the image and determines an astigmatism axis of the eye based on the signals. | 10-18-2012 |
20120271286 | SYSTEM AND METHOD FOR LASER GENERATED CORNEAL AND CRYSTALLINE LENS INCISIONS USING A VARIABLE F/# OPTICAL SYSTEM WITH ASPHERIC CONTACT INTERFACE TO THE CORNEA OR ROTATING AND ADAPTIVE OPTICS - A laser system including a laser source that generates a laser beam and an optical switch that receives the laser beam and sends the laser beam to either a fast path or a slow path, wherein the F/# of the fast path is lower than the F/# of the slow path. The laser system includes an afocal optical system in the slow path and receives the laser beam from the optical switch and an x-y scanner that receives either a laser beam from the slow path or a laser beam from the fast path. The laser system including a scan lens system that performs a z-scan for the scanning laser beam only in the case wherein the scanning laser beam is generated from the laser beam in the fast path. The laser system including an aspheric patient interface device that receives a laser beam from the scan lens system. | 10-25-2012 |
20120271287 | APPLICATION OF BLEND ZONES, DEPTH REDUCTION, AND TRANSITION ZONES TO ABLATION SHAPES - Methods, devices, and systems for reprofiling a surface of a cornea of an eye ablate a portion of the cornea to create an ablation zone with an optically correct central optical zone disposed in a central portion of the cornea, and a blend zone disposed peripherally to the central optical zone and at least partially within an optical zone of the eye. The blend zone can have an optical power that gradually diminishes with increasing radius from the central optical zone. | 10-25-2012 |
20120296321 | SYSTEM AND METHOD FOR CORRECTING ASTIGMATISM USING MULTIPLE PAIRED ARCUATE LASER GENERATED CORNEAL INCISIONS - A method for the reduction or elimination of astigmatism in an eye that includes an astigmatism axis, the method including determining an astigmatism axis of an eye and forming a first set of incisions in a cornea of the eye that are bisected by the astigmatism axis. The method including forming a second set of incisions in the cornea that are bisected by the astigmatism axis, wherein the first set of incisions and the second set of incisions reduce or eliminate astigmatism in the eye. | 11-22-2012 |
20120303008 | SYSTEMS AND METHODS FOR RESHAPING AN EYE FEATURE - Systems and methods include a cutting instrument that creates incisions in selected areas of the cornea; an eye therapy system that applies reshaping forces to the cornea; and a controller that determines the selected areas of the cornea for the incisions and the reshaping forces from the eye therapy system, such that the reshaping forces and the incisions combine to achieve corrective reshaping of the cornea. Other systems and methods include measuring an eye to determine a required amount of reshaping of a cornea; determining one or more doses of cross-linking agent and one or more corresponding doses of photoactivating light according to the required amount of reshaping; applying the cross-linking agent to the cornea; and delivering, from a light source, the photoactivating light to the area of the eye, the photoactivating light combining with the cross-linking agent to induce the corrective reshaping of the cornea. | 11-29-2012 |
20120303009 | CORNEA CENTER POSITIONING METHOD FOR EXCIMER LASER KERATOMILEUSIS - A cornea center positioning method for excimer laser keratomileusis includes the following steps of establishing a horizontal offset model and a vertical offset model by way of measuring the pupil diameter and offset of the pupil center relative to the center of the corneal vertex under different luminance levels, and inputting data of the established models into a laser keratomileusis machine with an eye tracking system, which can dynamically track the pupil location and keep the ablation center precisely at the center of the corneal vertex. | 11-29-2012 |
20120310223 | METHOD FOR MODIFYING THE REFRACTIVE INDEX OF OCULAR TISSUES AND APPLICATIONS THEREOF - A method for modifying a refractive property of ocular tissue in an eye by creating at least one optically-modified gradient index (GRIN) layer in the corneal stroma and/or the crystalline by continuously scanning a continuous stream of laser pulses having a focal volume from a laser having a known average power along a continuous line having a smoothly changing refractive index within the tissue, and varying either or both of the scan speed and the laser average power during the scan. The method may further involve determining a desired vision correction adjustment, and determining a position, number, and design parameters of gradient index (GRIN) layers to be created within the ocular tissue to provide the desired vision correction. | 12-06-2012 |
20120310224 | OPHTHALMIC LASER SURGERY APPARATUS - An ophthalmic laser surgery apparatus for cutting a tissue in a cornea with laser light into a lenticular tissue corresponding to an amount of correction of refractive-error, includes: a pulse laser light source for outputting pulse laser light; an irradiation optical system including a moving optical system for moving a laser spot to which laser light is collected; a setting unit configured to set a cutting line for cutting the lenticular tissue to have a cut tissue by laser light irradiation such that the further cut lenticular tissue has a width equal to or less than a half of a diameter of the lenticular tissue, and that the further cut lenticular tissue is interlinked together without being separated from one another; and a control unit configured to drive the moving optical system based on the set cutting line and to cut a corneal tissue with laser light. | 12-06-2012 |
20120310225 | Apparatus For And Method Of Refractive Surgery With Laser Pulses - A method and apparatus for a refractive surgical treatment that uses a laser which produces a succession of laser pulses applied to a material region. The laser pulses irradicates the material region to be divided where the energy of the individual pulse in less than the energy required to produce the material division or cutting. | 12-06-2012 |
20120330291 | NONLINEAR OPTICAL PHOTODYNAMIC THERAPY (NLO-PDT) OF THE CORNEA - The embodiments include method of nonlinear optical photodynamic therapy of tissue including the steps of providing pulsed infrared laser light for two-photon excited fluorescence tissue exposure, and selectively focusing the pulsed infrared laser light within the tissue at a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue. The invention is also directed to an apparatus for performing nonlinear optical photodynamic therapy of tissue including a pulsed infrared laser for providing two-photon excited fluorescence beam tissue exposure, a scanner for selectively and controllably moving the tissue and the beam relative to each other, and optics for selectively focusing the pulsed infrared laser light within the tissue at a point in a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue. | 12-27-2012 |
20130023863 | TILT COMPENSATION, MEASUREMENT, AND ASSOCIATED ADJUSTMENT OF REFRACTIVE PRESCRIPTIONS DURING SURGICAL AND OTHER TREATMENTS OF THE EYE - Embodiments of the present invention provide methods and systems for determining an ablation treatment for an eye of a patient. The systems and method may involve determining an ellipsoid shape corresponding to an anterior corneal surface of the patient's eye. The ellipsoid shape may include an anterior portion, a major axis, and an apex, where the major axis intersects the anterior portion at the apex. The systems and method may also involve determining a tilted orientation of the eye, such as when the patient fixates on a target during a laser ablation procedure. The systems and method may further involve determining the ablation treatment based on the ellipsoid shape and/or the tilted orientation. | 01-24-2013 |
20130035674 | OPHTHALMIC INTERFACE APPARATUS AND SYSTEM AND METHOD OF INTERFACING A SURGICAL LASER WITH AN EYE - An ophthalmic patient interface system includes an interface device and an ocular device. The interface device includes a frame having a first end and a second end, a lens disposed at the first end, and a skirt affixed to the first end. The second end is adapted to couple with a surgical laser system, and the skirt is adapted to seal against an anterior surface of an eye. The ocular device includes magnifying optics and is adapted to be removably seated within the second end. The magnifying optics image a region on a corneal side of the lens when the ocular device is seated within the second end. | 02-07-2013 |
20130041355 | Reducing Damage From A Dielectric Breakdown in Surgical Applications - Methods and apparatus are disclosed for reducing damage caused by a dielectric breakdown during surgical application of a pulsed-electric field (PEF) device. By detecting a dielectric breakdown when it occurs or before it occurs, the properties of the pulsed electric field can be adjusted to reduce damage caused by the energy released during the breakdown. A dielectric breakdown or its precursor can be detected optically, acoustically, or electrically. | 02-14-2013 |
20130072916 | OPHTHALMOLOGICAL LASER TREATMENT DEVICE - An evaluating unit which is adapted to determine a degree of an instantaneous overlap between an optical zone of the eye and the structure, or at least a part of the structure effecting refractive correction, based on a recorded image. By determining the degree of overlap between the instantaneous optical zone and the structure to be introduced, it is possible to control the superposition of the optical zone with the tissue volume which is specifically altered by means of the laser cutting and, accordingly, to enable a maximum coverage. | 03-21-2013 |
20130085482 | Systems and Methods for Disruption of an Eye Lens - Systems and methods are provided for ablating a lens of an eye. An access incision is made through outer eye tissue to access the lens. A laser tool is inserted through the access incision. Electromagnetic energy is focused using the inserted laser tool to ablate a portion of the lens, where said ablation breaks the lens into a plurality of pieces for removal from the eye. | 04-04-2013 |
20130085483 | OPHTHALMOLOGICAL APPARATUS FOR BREAKDOWN OF EYE TISSUE - An ophthalmological apparatus ( | 04-04-2013 |
20130103012 | System and Method for Obviating Posterior Capsule Opacification - A system and method are provided for obviating Posterior Capsule Opacification (PCO) which require an Optical Coherence Tomography (OCT) device for imaging the interface surface between the posterior surface of an intraocular lens (IOL) and the capsular bag. Further, the OCT device is used to identify areas of relative opacity caused by a biological growth on the interface surface in the optical zone of the IOL. A laser unit is then used to direct the focal point of a femtosecond laser beam onto the areas of relative opacity to ablate the biological growth by Laser Induced Optical Breakdown (LIOB) to thereby obviate the PCO. | 04-25-2013 |
20130103013 | METHODS AND PATTERNS FOR INCREASING AMPLITUDE OF ACCOMMODATIONS IN A HUMAN LENS - A method of treating a human eye, generally to correct vision, and preferably in one embodiment to increase the amplitude of accommodation of the lens. The method utilizes a laser to create a desired pattern within the lens. Various patterns for treating the eye lens are also disclosed. | 04-25-2013 |
20130110094 | Patient transfer arrangement, medical treatment apparatus and medical treatment system | 05-02-2013 |
20130110095 | Method of correcting vision problems using only a photodisruption laser | 05-02-2013 |
20130110096 | Introducing Bubbles to Improve Cornea Reshaping without the Creation of a Flap | 05-02-2013 |
20130116673 | Microscope Magnification Sensor - Devices, systems and methods for scaling the size and/or position of a marker on a magnified image of an object. In preferred embodiments, the object is an eye that is undergoing laser eye surgery. The eye is viewed through a magnification system or microscope and an image of the eye is presented on a display. One or more markers are present on the image, each identifying a specific target location or landmark on the eye. When a desired magnification setting is selected, the image is scaled accordingly. In addition, one or more of the markers is scaled in size and/or position to reflect the magnification setting. This allows the marker to maintain identification of the target location while reflecting the selected magnification level. | 05-09-2013 |
20130116674 | SYSTEM AND METHOD FOR TREATING VISION REFRACTIVE ERRORS - Disclosed is a computer-implemented method for correcting refractive errors in a living eye using a laser vision correction system that involves first calculating an amount of sphere based on preoperative manifest refraction and higher order aberrations data associated with the eye, and then correcting for the calculated amount of sphere by ablating at least a portion of the eye. The preoperative manifest refraction may include preoperative manifest sphere, preoperative spherical equivalent, regular astigmatism, and oblique astigmatism, and the preoperative higher-order aberrations may include 4th-order spherical and 3rd root mean square. Other factors may also be used to adjust the calculated amount of sphere. A device readable medium for storing the calculation and instructions for operating a laser vision correction system for practicing the method is also disclosed, as is a method of treating refractive errors. | 05-09-2013 |
20130116675 | System and Method for Correcting Higher Order Aberrations with Changes in Intrastromal Biomechanical Stress Distributions - A method for correcting higher order aberrations in an eye requires Laser Induced Optical Breakdown (LIOB) of stromal tissue. In detail, the method identifies at least one volume of stromal tissue in the eye, with each volume defining a central axis parallel to the visual axis of the eye. Thereafter, a pulsed laser beam is focused to a focal spot in each volume of stromal tissue to cause LIOB of stromal tissue at the focal spot. Further, the focal spot is moved through the volume of stromal tissue to create a plurality of incisions centered about the respective central axis of the volume. As a result, a predetermined selective weakening of the stroma is caused for correction of the higher order aberration. | 05-09-2013 |
20130131653 | Ophthalmological laser method and apparatus - The present invention relates to a femtosecond laser ophthalmological system and especially to the use of a femtosecond laser to create a flap for LASIK refractive surgery or for other applications that require removal of corneal or lens tissue at specific locations such as in corneal transplants, stromal tunnels, corneal lenticular extraction and cataract surgery. The output of a femtosecond laser is scanned into overlapping circles of laser pulses which are then moved in an overlapping trajectory on a patient's eye to ablate the eye tissue in a predetermined pattern. | 05-23-2013 |
20130131654 | SYSTEMS AND METHODS FOR FINE-TUNING REFRACTIVE SURGERY - Systems and methods for fine-tuning refractive shapes for vision treatment are provided. Techniques encompass determining a variable index of refraction for a cornea of the eye, and determining the refractive treatment shape for the eye based on the variable index of refraction. Techniques also encompass determining a variable radius of curvature of an anterior surface of a cornea of the eye, and determining the refractive treatment shape for the eye based on the variable radius of curvature. | 05-23-2013 |
20130138094 | SYSTEM AND METHOD FOR OPHTHALMIC SURFACE MEASUREMENTS BASED ON SEQUENTIAL ESTIMATES - Systems and methods for measuring a topography of an optical tissue surface of an eye are provided by combining measured elevations of the surface with a priori information of the surface to provide an estimate of mean and covariance of post-measurement orthogonal polynomial sequence amplitudes associated with the surface, determining a variance of elevation of the surface from the estimate, and constructing the topography from the estimate of mean and covariance of post-measurement amplitudes based on a comparison of the variance of elevation of the surface with a pre-determined threshold. The a priori information includes an estimate of mean and covariance of pre-measurement orthogonal polynomial sequence amplitudes associated with the surface. | 05-30-2013 |
20130144279 | Methods for Treating Hyperopia and Presbyopia via Laser Tunneling - A method for treating presbyopia utilizes an Erbium based, pulsed laser to sever sub-conjunctival strictures located within the scleral matrix of the eye. Introduction of treatment energy into the scleral matrix increases or facilitates an increase in accommodation, thereby mitigating the effects of presbyopia. The treatment energy can be directed into the scleral matrix to form tunnel ablations in and through the strictures of the scleral matrix. The tunnel ablations can enhance the accommodation of the patient's eye, enabling the eye to refocus at near distances while not losing its ability to focus at a distance. | 06-06-2013 |
20130158529 | Assembly and Method for Performing Surgical Laser Treatments of the Eye - An arrangement for carrying out surgical laser treatments of the eye is adapted to emit pulsed treatment radiation with a wavelength of between about 190 nm and about 380 nm and a pulse duration in the femtosecond range. Such treatment radiation allows nonaggressive corneal or intraocular laser treatment of the eye, for example in order to make corneal cuts or deliberately ablate corneal tissue. | 06-20-2013 |
20130165911 | Patient Interface With Variable Applanation - A variable-applanation patient interface can include a lens support system, attachable to a distal end of an ophthalmic surgical laser system; a contact lens, supported by the lens support system and configured to make contact with an eye-surface; and an adjustable coupler, coupled to at least one of the lens support system and the contact lens, and configured to be coupled to a non-central region of the eye-surface, to accommodate the contact lens to contact a central region of the eye-surface with a central applanation, to enable a change between the central applanation and an extended applanation, and to accommodate the contact lens to contact an extended region of the eye-surface larger than the central region with the extended applanation. | 06-27-2013 |
20130178839 | CONTROL DATA GENERATION FOR THE EYE-SURGICAL TREATMENT OF DEFECTIVE VISION - A method for generating control data to control a laser device for correcting defective vision. A cut surface is specified which is curved, has a vertex and an edge, and is to be created in the eye. One or more paths, along which a focus of the laser radiation is to be adjusted, are defined for the control data and are selected such that they lie on or near the cut surface. To select the paths, a reference plane, preferably perpendicular, with respect to a direction of incidence of the laser radiation is determined, and different displacement positions are determined for said reference plane from the vertex to the edge of the cut surface. Multiple axes or semi-axes are determined for each displacement position. Intersections of the axes are connected into closed curves which are concentric or form a spiral. | 07-11-2013 |
20130190735 | System and Method for Performing a Presbyopic Correction - The system according to the present invention is used to create an ablation such that the surface of the cornea comprises a central region having a convex central steepening with a first radius of curvature and a surrounding region having a convex shape with a second radius of curvature, wherein the first radius of curvature is smaller than the second radius of curvature for performing a presbyopic correction. The ablation depth in the central region varies between a minimum ablation depth in the center and a maximum ablation depth at the border of the central region. The ablation depth in the surrounding region is the same as the maximum ablation depth at the border of the central region. | 07-25-2013 |
20130190736 | SYSTEMS AND METHODS FOR CORRECTING HIGH ORDER ABERRATIONS IN LASER REFRACTIVE SURGERY - Optical correction methods, devices, and systems reduce optical aberrations or inhibit refractive surgery induced aberrations. Error source control and adjustment or optimization of ablation profiles or other optical data address high order aberrations. A simulation approach identifies and characterizes system factors that can contribute to, or that can be adjusted to inhibit, optical aberrations. Modeling effects of system components facilitates adjustment of the system parameters. | 07-25-2013 |
20130204237 | SYSTEM AND METHOD FOR OPHTHALMIC SURFACE BASED ON OBJECTIVE QUALITY ESTIMATION - Systems and methods for measuring a topography of an optical tissue surface of an eye are provided by combining a measured elevation of the surface with a priori information of the surface to provide an estimate of mean and covariance of post-measurement orthogonal polynomial sequence amplitudes associated with the surface, determining a variance of elevation of the surface from the estimate, and constructing the topography from the estimate of mean and covariance of post-measurement amplitudes based on a comparison of the variance of elevation of the surface with a pre-determined threshold. The a priori information includes an estimate of mean and covariance of pre-measurement orthogonal polynomial sequence amplitudes associated with the surface. | 08-08-2013 |
20130211389 | Methods and Devices for Crosslinking of Corneal Collagen and For Treatment of Disorders of the Eye - Methods and devices for delivering therapeutic or diagnostic energy (e.g., light, ultrasound, ionizing radiation (e.g., x-ray), vibration, heat energy, etc.) into the eye. An energy emitting device is positioned on the eye and used to deliver energy into the eye. The device may be constructed to allow the subject's eyelids to open and close while the device is positioned on the eye. The device is useable for various energy based or energy-mediated therapies, including crosslinking of corneal collagen, light therapy, photodynamic therapy, photo-activation of drugs, etc. | 08-15-2013 |
20130211390 | SYSTEM AND METHOD FOR SCANNING A PULSED LASER BEAM - Systems and methods of photoaltering a region of a material using a pulsed laser beam. The method includes scanning the pulsed laser beam in a first portion of the region with a first pattern, scanning the pulsed laser beam in a second portion of the region with a second pattern, and separating a flap of the material at the region. The system includes a laser, a controller selecting at least first and second patterns, and a scanner operable in response to the controller. The first pattern has a first maximum acceleration associated with the second portion, and the second pattern has a second maximum acceleration associated with the second portion. The second maximum acceleration is less than the first maximum acceleration. The scanner scans the pulsed laser beam from the laser in the first portion with the first pattern and in the second portion with the second pattern. | 08-15-2013 |
20130226161 | Devices and Methods for Improving Vision Using Laser Photomiosis - Systems and methods of improving vision using an ophthalmological laser system are provided. A predetermined pattern characterized by a plurality of positions along a plurality of spatially distributed iris tissues of an eye of a patient is obtained. A laser illumination light beam is aligned in accordance with one or more of the plurality of positions along the plurality of spatially distributed iris tissues. The laser illumination light beam is delivered in the predetermined pattern to the plurality of spatially distributed iris tissues of the patient. At least a subset of the spatially distributed iris tissues is cauterized by the delivery of the laser illumination light beam in the predetermined pattern, thereby resulting in a permanent decrease in diameter of the pupil of the eye. | 08-29-2013 |
20130226162 | Method for Modifying the Refractive Index of Ocular Tissues - A laser system for changing the index of refraction of cornea tissue in a living eye. The laser system comprises a laser that provides laser pulses with a wavelength from 400 nm to 900 nm and a pulse energy from 0.01 nJ to 10 nJ, and a control device for setting the operating parameters of the laser below an optical breakdown threshold of the tissue to avoid photo-disruption and tissue destruction of the tissue, and to direct the laser pulses at the cornea tissue resulting in a change in the index of refraction of the tissue within regions irradiated by the laser pulses. | 08-29-2013 |
20130231644 | MULTIPLE-SPOT LASER REFRACTIVE OPHTHALMIC SURGERY - An apparatus for refractive ophthalmic surgery by laser radiation including a source of radiation which emits a processing beam a beam path for focusing and scanning. The beam path focuses the processing beam into a cornea of an eye and shifts a position of a focus therein. A beam splitting device generates several foci in the cornea and divides the processing beam into a primary beam and at least one secondary beam. The primary and secondary beams have substantially the same cross section as the processing beam which is incident on the beam splitting device and the beam-splitting device introduces a separation between the primary and secondary beams. The primary and secondary beams expand in the beam path. A contact glass induces a pre-defined geometric boundary surface at the cornea. | 09-05-2013 |
20130237970 | PREFORMED LENS SYSTEMS AND METHODS - Systems, methods, computer program products, and kits involving deformation mechanisms are provided for the removal of corneal tissue in optical vision treatments. According to exemplary embodiments, deformation mechanisms may be used in combination with the administration of femtosecond photoalteration lasers to create or define volumetric tissue portions for such removal. | 09-12-2013 |
20130245617 | DEVICE FOR TREATING EYE TISSUE BY MEANS OF PULSED LASER BEAMS - An ophthalmological device ( | 09-19-2013 |
20130274723 | DEVICE AND PROCESS FOR MACHINING THE HUMAN EYE USING LASER TECHNOLOGY - A device for machining the human cornea with focused laser radiation includes controllable components for setting the location of the radiation focus, a control computer for controlling these components, and also a control program for the control computer. The control program contains instructions that have been designed to bring about, upon execution by the control computer, the generation of incisions in the cornea in accordance with a predetermined incision figure, the incision figure defining a corneal bed, a flap situated on the bed and also at least one tissue strip situated in the region of the peripheral edge of the flap between the bed and the flap and extending along the edge of the flap. After the flap has been folded away, the tissue strip has to be removed and enables a creaseless post-ablative close fitting of the folded-back flap against the surface of the bed. In this manner, microstriae which may impair the visual capacity can be avoided. | 10-17-2013 |
20130274724 | Methods and Devices for Treating Presbyopia - Architectures and techniques for treating conditions of the eye, such as presbyopia, utilize sources of treatment energy, such as electromagnetic energy emitting devices, to implement non-corneal manipulations. According to these devices and methods, the sources of treatment energy are activated to direct energy onto parts of the eye, such as the conjunctiva and sclera, to treat presbyopia. The treatments can affect at least one property of the eye and enhance an accommodation of the eye. | 10-17-2013 |
20130274725 | DEVICE FOR PROCESSING MATERIAL OF A WORKPIECE AND METHOD FOR CALIBRATING SUCH A DEVICE - A device for processing material of a workpiece, the device including a pulsed processing laser, a focusing lens, a beam-deflection unit, a control unit and a confocal detector unit. The intensity of the laser radiation is variable. An imaging unit is provided to detect structures within the workpiece using electromagnetic radiation, wherein the electromagnetic radiation of the imaging unit is radiated via the beam-deflection unit and the focusing lens into the workpiece, and evaluating device is provided and compares the position of the focus of the laser radiation determined by the detector unit with the expected position of the focus in the image of the workpiece obtained by the imaging unit. | 10-17-2013 |
20130281992 | Extracting lenticules for refractive correction - In certain embodiments, refractive correction includes controlling a focus of pulsed laser radiation having ultrashort pulses. A channel is created with the pulsed laser radiation to facilitate separation of the lenticule from the eye. A posterior incision is created with the pulsed laser radiation to form a posterior side of the lenticule. An anterior incision is created with the pulsed laser radiation to form an anterior side of the lenticule. | 10-24-2013 |
20130281993 | Methods and Devices for Forming Corneal Channels - Instruments for creating a corneal channel and methods of use. | 10-24-2013 |
20130289543 | SYSTEM AND METHOD FOR IN SITU CREATION OF A SMALL APERTURE INTRAOCULAR LENS - A system and method are provided for altering the optical characteristics of an Intraocular Lens (IOL), in situ, using laser techniques. Specifically, a computer-controlled laser unit either creates microbubbles, or converts inclusions, inside the IOL, to establish a predetermined optical barrier having a predetermined opacity. The resultant optical barrier is oriented in the IOL to control light passing through the IOL, and to thereby minimize or correct adverse optical effects that would otherwise be present. | 10-31-2013 |
20130289544 | Low Wavefront Error Devices, Systems, and Methods for Treating an Eye - An optical eye-contact element is disclosed that is at least partly translucent, the optical eye-contact element giving rise to a wavefront error of at most about λ/2, preferentially at most about λ/4, highly preferentially at most about λ/10, in a traversing light beam. The optical eye-contact element may be a so-called applanation plate or applanation lens. | 10-31-2013 |
20130296834 | DEVICE FOR LASER-AIDED EYE SURGERY - A device for laser-aided eye surgery comprising a patient table, as well as at least one laser system with a laser treatment head for emission of a focused laser beam onto an eye of a patient to be treated on the table. The laser system comprises an operation microscope with a viewing beam path running collinear to the laser beam path at least in the area of the emission location of the laser beam. According to the invention, the device is characterized by at least a first camera to create an image at least comprising the area from the mouth to the forehead of a patient lying on a table, as well as by a display device to display the picture taken. As an alternative to, or in addition to, the first camera and the display device, the eye-surgery device can comprise a laser projector for projection of a laser light pattern onto the patient's body as well as a guiding computer controlling the projector with an image signal output to which an image signal input of the projector is attached. | 11-07-2013 |
20130317487 | SYSTEM AND PROCESS FOR RETINA PHOTOTHERAPY - A system and process for treating retinal diseases includes passing a plurality of radiant beams, i.e., laser light beams, through an optical lens or mask to optically shape the beams. The shaped beams are applied to at least a portion of the retina. Due to the selected parameters of the beams—pulse length, power and duty cycle—the beams can be applied to substantially the entire retina, including the fovea, without damaging retinal or foveal tissue, while still attaining the benefits of retinal phototherapy or photostimulation. | 11-28-2013 |
20130317488 | System and Method for Correction of Ophthalmic Refractive Errors - The present invention relates to a system and a method for calculating a course of refractive treatment for correcting a refractive error of a patient's eye. It is based on the concept to combine at least a first treatment which provides an overcorrection of the intended correction with at least a second treatment which corrects said overcorrection. | 11-28-2013 |
20130324983 | Methods And Devices For Refractive Treatments Of Presbyopia - Presbyopia in a patient's eye is treated by inducing spherical aberration in the central section of the pupil, while the peripheral section of the pupil is treated in a manner other than the central section of the pupil. For example, the peripheral section of the pupil may remain untreated, or high-order aberration may be controlled, and/or a second area of spherical aberration may be provided with different focus power. | 12-05-2013 |
20130324984 | DEVICE AND PROCESS FOR MACHINING THE CORNEA OF A HUMAN EYE WITH FOCUSED PULSED LASER RADIATION - A device for machining the cornea of a human eye with focused pulsed laser radiation includes controllable components, a control computer for controlling these components and a control program for the control computer. The control program contains instructions that are designed to generate an incision figure in the cornea permitting the insertion of an intrastromal corneal ring implant. The incision figure includes a ring incision situated totally deep within the corneal tissue and an opening incision extending at right angles to the ring plane of the ring incision from the anterior surface of the cornea or from the posterior surface of the cornea as far as at least the ring incision. The ring incision exhibits, assigned to the opening incision ( | 12-05-2013 |
20130338650 | NONLINEAR OPTICAL PHOTODYNAMIC THERAPY (NLO-PDT) OF THE CORNEA - The embodiments include method of nonlinear optical photodynamic therapy of tissue including the steps of providing pulsed infrared laser light for two-photon excited fluorescence tissue exposure, and selectively focusing the pulsed infrared laser light within the tissue at a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue. The invention is also directed to an apparatus for performing nonlinear optical photodynamic therapy of tissue including a pulsed infrared laser for providing two-photon excited fluorescence beam tissue exposure, a scanner for selectively and controllably moving the tissue and the beam relative to each other, and optics for selectively focusing the pulsed infrared laser light within the tissue at a point in a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue. | 12-19-2013 |
20140025049 | Eye Therapy System - Heat is generated in corneal fibrils in a cornea of an eye according to a selected pattern. The heat causes the corneal fibrils corresponding to the selected pattern to transition from a first structure to a second structure. The second structure provides a desired reshaping of the cornea. A cross-linking agent is then activated in the region of corneal fibrils according to the selected pattern. The cross-linking agent prevents the corneal fibrils from changing from the second structure. Thus, embodiments stabilize corneal tissue and improve its biomechanical strength after desired structural changes have been achieved in the corneal tissue. Accordingly, the embodiments help to preserve the desired reshaping of the cornea. | 01-23-2014 |
20140046309 | Combined Wavefront and Topography Systems and Methods - Methods, software, and systems are provided for determining an ablation target shape for a treatment for an eye of a patient. Techniques include determining wavefront information from the eye of the patient with a wavefront eye refractometer, determining anterior corneal shape information from the eye with a corneal topography device, and combining the wavefront information and the anterior corneal shape information to determine the ablation target shape. | 02-13-2014 |
20140058365 | System and Method for Using Compensating Incisions in Intrastromal Refractive Surgery - A system and method for performing intrastromal ophthalmic laser surgery requires Laser Induced Optical Breakdown (LIOB) of stromal tissue without compromising Bowman's capsule (membrane). In detail, at least one singularly unique, intrastromal compensating incision is made relative to a defined axis of the eye. The location of this compensating incision is specifically selected to counter and minimize the adverse effect on vision that may be caused by a predetermined (e.g. surgically introduced) asymmetrical optical condition. | 02-27-2014 |
20140066908 | System and method for improving the accommodative amplitude and increasing the refractive power of the human lens with a laser - A system and method for increasing the amplitude of accommodation and/or changing the refractive power of lens material of a natural crystalline lens is provided. Generally, there is provided methods and systems for delivering a laser beam to a lens of an eye in a plurality of patterns results in the increased accommodative amplitude and/or refractive power of the lens. There is further provided a system and method of treating presbyopia by increasing both the flexibility of the human lens and the depth of field of the eye. | 03-06-2014 |
20140066909 | DEVICE AND PROCEDURE TO TREAT PRESBYOPIA - A treatment apparatus for surgical correction of presbyopia or defective eyesight in an eye of a patient. The treatment apparatus includes a laser device configured to treat lens tissue of the eye by irradiation of pulsed laser radiation with the laser radiation being focused on target points arranged in a pattern within the lens. An interface supplies measurement data on parameters of the eye and/or defective-eyesight data on the eyesight defect to be corrected in the eye, and defines a volume located within the lens using the supplied measurement data and defective-eyesight data, the volume being defined so as to achieve the desired correction of presbyopia or defective eyesight when removed. | 03-06-2014 |
20140081249 | METHOD FOR EYE SURGERY - A planning unit produces control data for a treatment device for eye surgery which produces at least one cutting surface in a cornea of the eye using a laser unit. The planning unit includes a calculation module for establishing a cornea cutting surface. The calculation module is configured to establish the cornea cutting surface based on data of a refraction correction, to produce a control data set for actuating the laser unit for the cornea cutting surface, and to determine the cornea cutting surface in such a way that the cornea cutting surface contributes to fixing an implant in an interlocking manner. | 03-20-2014 |
20140100556 | Method and Systems for Laser Treatment of Presbyopia Using Offset Imaging - An ophthalmic surgery system and method for treating presbyopia by performing ablative photodecomposition of the corneal surface. The offset image of a variable aperture, such as a variable width slit and variable diameter iris diaphragm, is scanned in a preselected pattern to perform ablative sculpting of predetermined portions of a corneal surface. The scanning is performed to ablate an optical zone sized to match the patient pupil with a peripheral transition zone outside the pupil. The shape of the ablated optical zone is different from the shape of the final optical correction on the anterior surface of the cornea. The optical zone corrects for near-vision centrally and far-vision peripherally. A movable image displacement mechanism enables radial displacement and angular rotation of the profiled beam exiting from the variable aperture. The invention enables wide area treatment with a laser having a narrower beam than the treatment area, and can be used in the treatment of many conditions in conjunction with presbyopia such as hyperopia, hyperopic astigmatism and irregular refractive aberrations. | 04-10-2014 |
20140107630 | SIDE FIRING OPTICAL FIBER DEVICE FOR CONSISTENT, RAPID VAPORIZATION OF TISSUE AND EXTENDED LONGEVITY - A side firing laser device suitable for use in medical and surgical procedures has a laser energy transmission efficiency in excess of 90% and provides consistent and rapid vaporization of tissue as well as long useful life. The device includes a conduit with an optical fiber therewithin. The optical fiber is adapted for coupling to a laser energy source at the proximal end thereof and has a beveled distal end portion capped by a closed end capillary tube which, in turn, is surrounded by a reflective sheath with a side port through which laser energy emitted by the optical fiber can pass. | 04-17-2014 |
20140107631 | ANNULAR KERATOPIGMENTATION SYSTEMS AND METHODS OF VISION CORRECTION OF PRESBYOPIC EYES - Systems, devices, and methods for correcting presbyopic vision create a dye ring in the cornea. The intrastromal ring is created using a femtosecond laser and is centered on the visual axis. A black or a colored pigment is then injected. The internal diameter of the ring is dimensioned so as to create an intracorneal pinhole and improve the near and intermediate vision of the non-dominant eye while only slightly altering the distance vision of that eye. The pinhole dye ring in the cornea of the presbyopic eyes enhances the depth of field, thereby allowing improved presbyopic performance without the need for corrective lenses. | 04-17-2014 |
20140107632 | METHOD FOR MODIFYING THE REFRACTIVE INDEX OF OCULAR TISSUES - A method for providing vision correction to a patient. The method includes: (a) measuring the degree of vision correction needed by the patient and determining the location and shape of refractive structures that need to be positioned within the cornea to partially correct a patient's vision; (b) directing and focusing femtosecond laser pulses in the blue spectral region within the cornea at an intensity high enough to change the refractive index of the cornea within a focal region, but not high enough to damage the cornea or to affect cornea tissue outside of the focal region; and (c) scanning the laser pulses across a volume of the cornea or the lens to provide the focal region with refractive structures in the cornea or the lens. Again, the refractive structures are characterized by a change in refractive index, and exhibit little or no scattering loss. | 04-17-2014 |
20140107633 | RE-TREATMENT FOR OPHTHALMIC CORRECTION OF REFRACTION - A planning device generating control data for a treatment apparatus for refraction-correcting ophthalmic surgery is provided, said apparatus using a laser device to separate a corneal volume, which is to be removed for correction, from the surrounding cornea by at least one cut surface in the cornea of an eye, said planning device comprising an interface for receiving corneal data including information on pre-operative cuts which were generated in a previous ophthalmic operation, and computing means for defining a corneal cut surface which confines the corneal volume to be removed, said computing means defining the corneal cut surface on the basis of the corneal data and generating a control dataset for the corneal cut surface for control of the laser device. | 04-17-2014 |
20140128855 | EYE SURGICAL PROCEDURE - A planning system generates control data for a treatment device for eye surgery that creates at least two incision surfaces in the cornea using a laser apparatus. The planning system includes a computation device configured to specify the cornea incision surfaces based on data of a refractive correction. The cornea incision surfaces include an access incision and a cap incision, with the access incision having a smaller diameter than the cap incision. The computation device being configured to generate a control data record for the cornea incision surfaces for purposes of controlling the laser apparatus. | 05-08-2014 |
20140128856 | MONITORING LASER PULSE ENERGY IN A LASER EYE SURGERY SYSTEM - A photo detector is selectively coupled to a first integrator or a second integrator with switching circuitry when the laser pulses. An integration time of the signal from the photo detector can be substantially greater than an amount of time between successive laser beam pulses in order to provide an accurate measurement of each laser beam pulse of a high repetition rate pulsed laser. The laser may comprise a clock coupled to an optical switch of the laser system, and control circuitry can control switching and coupling of the detector to the first integrator or the second integrator in response to the clock signal. The first integrator and the second integrator can be selectively coupled to an output such that the first integrator or the second integrator is coupled to the output of the energy detection circuitry when the other integrator is coupled to the detector. | 05-08-2014 |
20140128857 | METHOD FOR EYE SURGERY - A planning unit produces control data for a treatment device for eye surgery which produces at least two cutting planes in a cornea of the eye using a laser unit. The planning unit includes a calculation module for establishing cornea cutting planes and is configured to establish the cornea cutting planes based on data of a refraction correction. The cornea cutting planes are determined so as to include a cap cut, a lenticule cut, a first access cut for accessing the cap cut, and a second access cut for accessing the lenticule cut. The planning unit is also configured to produce a control data set for actuating the laser unit for the cornea cutting planes. | 05-08-2014 |
20140135748 | BASIS DATA APODIZATION SYSTEMS AND METHODS - Systems, methods, and computer program products are provided for the administration of ablation profiles during refractive surgery treatments. Basis data framework techniques enable the implementation of ablation profiles having various shapes, resulting in increased ablation efficiency when treating certain vision conditions. Exemplary basis data architecture approaches are configured to efficiently operate with annular, elliptical, and slit laser beam shapes, for example, and to account for position-dependent ablation features. | 05-15-2014 |
20140155871 | METHOD FOR PREPARING CORNEAL DONOR TISSUE FOR REFRACTIVE EYE SURGERY UTILIZING THE FEMTOSECOND LASER - A method of accurately fabricating a non-human donor corneal tissue for implantation into a recipient human cornea, the method comprising the steps of: removing corneal tissue from a donor with a femtosecond laser; placing the corneal tissue in a fixative solution for a selected time interval to cross-link the collagen fibrils in the tissue and prevent swelling of the corneal tissue; and shaping the tissue to provide a conical inlay of a selected shape and thickness having one or more radial extensions. The method is such that the corneal inlay may be attached to the peripheral corneal and/or the sclera. The method is such that the corneal inlay may be stored for a period of up to two years prior to attachment. | 06-05-2014 |
20140155872 | High-Order Optical Correction During Corneal Laser Surgery - Systems and methods related to corneal ablation for treatment of one or more high-order optical aberrations are provided. A method includes providing a defect-correcting prescription, determining an ablation profile to impose the prescription on the cornea, and determining a sequence of laser-energy ablations to impose the ablation profile on the cornea. The prescription comprises a high-order optical correction. The ablation profile includes a first-segment profile and a second-segment profile. The second-segment profile corresponds to at least one high-order optical correction. The ablation sequence includes applying ablations corresponding to the first-segment profile prior to applying ablations corresponding to the second-segment profile. | 06-05-2014 |
20140155873 | AUTOMATIC CENTRATION OF A SURGICAL PATTERN ON THE APEX OF A CURVED PATIENT INTERFACE - An apparatus to treat a patient comprises a laser beam, a measurement module, a scanner and a curved patient interface lens. The curved patient interface is measured with a pattern so as to determine a plurality of distances of the curved surface at a plurality of measurement locations. The measurement pattern may comprise the plurality of measurement locations distributed about a central measurement axis corresponding to the laser treatment axis. The plurality of measurement locations of the curved surface may correspond to a portion of a planned treatment profile, such that the measured distances correspond to alignment of the planned treatment. The plurality of distances can be used to determine an apex of the curved surface of the patient interface and to align the laser treatment axis with the apex of the curved surface. | 06-05-2014 |
20140155874 | LASER SYSTEM AND METHOD FOR CORRECTION OF INDUCED ASTIGMATISM - There is provided a system, apparatus and methods for developing laser systems that can create precise predetermined clear corneal incisions that are capable of reducing induced astigmatism. The systems, apparatus and methods further provide laser systems that can provide these incisions at or below Bowman's membrane. | 06-05-2014 |
20140155875 | AFTER-TREATMENT OF REFRACTION CORRECTION BY OPHTHALMIC SURGERY - A planning system for generating control data, a treatment device for ophthalmic surgery to correct refraction, and a method for generating control data for such a treatment device, by which method it is easily possible to continue an interrupted treatment or correct a previous treatment. To this end, the planning system has calculating means for defining a corneal incision surface, wherein the calculating means determine the new corneal incision surface such that the existing corneal incision surface is incised by at least a part of the new corneal incision surface at an angle of between 60° and 120°. | 06-05-2014 |
20140163535 | COMPENSATION SYSTEMS AND METHODS FOR FLAP INDUCED ABERRATIONS - Embodiments of the present invention encompass systems and methods for customized vision treatments that account for effects associated with corneal flap creation. | 06-12-2014 |
20140171927 | Laser therapy system for noninvasive correction of the refractive system of the eye - The present invention refers to a Laser therapy system and a method for a treatment of a cornea and/or sclera of an eye to correct its refractive system, comprising:
| 06-19-2014 |
20140180265 | OPHTHALMOLOGICAL LASER METHOD AND APPARATUS - The present invention relates to a femtosecond laser ophthalmological apparatus and method that creates a flap on the cornea for LASIK refractive surgery or for other applications that require removal of corneal and lens tissue at specific locations such as in corneal transplants, stromal tunnels, corneal lenticular extraction and cataract surgery. The femtosecond laser is transferred to a hand piece module via a rotating mirror arm module. In the hand piece, the femtosecond laser beam is scanned into overlapping circles of laser pulses which are then moved in an overlapping trajectory on a patient's eye to ablate the eye tissue in a predetermined pattern. | 06-26-2014 |
20140200563 | ROBUST LASER CUTTING METHODS FOR OPHTHALMIC SURGERY - A method and apparatus for performing ophthalmic laser surgery using a pulsed laser beam is provided. The method includes establishing an initial cutting pattern comprising a plurality of original photodisruption points, establishing an enhanced cutting pattern comprising a plurality of enhanced photodisruption points selected to decrease potential adverse effects due to patient movement and having increased density over a fixed area as compared with the plurality of original photodisruption points, and performing an ocular surgical procedure according to the enhanced cutting pattern. Enhanced cutting patterns may include circular cuts around the periphery of a capsule, vertical side cuts for lens fragmentation, raster lamellar cuts, and grid lamellar cuts. Each photodisruption point in the initial cutting pattern and the enhanced cutting pattern comprises a laser target point. | 07-17-2014 |
20140236134 | TREATMENT APPARATUS FOR SURGICAL CORRECTION OF DEFECTIVE EYESIGHT, METHOD OF GENERATING CONTROL DATA THEREFORE, AND METHOD FOR SURGICAL CORRECTION OF DEFECTIVE EYESIGHT - A treatment method and apparatus for surgical correction of defective-eyesight in an eye of a patient, wherein a laser device is controlled by a control device, said laser device separating corneal tissue by irradiation of laser radiation to isolate a volume located within a cornea, wherein the control device controls the laser device to focus the laser radiation, by providing target points located within the cornea, into the cornea, wherein the control device, when providing the target points, allows for focus position errors which lead to a deviation between the predetermined position and the actual position of the target points when focusing the laser radiation, by pre-offsets depending on the positions of the respective target points to compensate for said focus position errors. | 08-21-2014 |
20140236135 | LASER-ASSISTED EPITHELIAL REMOVAL - In certain embodiments, a device configured to perform epithelial removal comprises a laser device and a control computer. The laser device can separate the epithelium from the Bowman's layer of an eye using pulsed laser radiation having ultrashort pulses. The laser device includes controllable components that control a focus of the pulsed laser radiation. The control computer controls the controllable components to focus the pulsed laser radiation at one or more epithelial cell layers of the epithelium to photodisrupt at least a portion of the epithelial cell layers. | 08-21-2014 |
20140276675 | Systems and Methods for Laser Correction of Astigmatism Incident with Lens Replacement Surgery - A nomogram, a method for determining how to cut a cornea to produce a particular vision correction, and a system and method for determining how to make a vision correction when a precision cutting tool is being used as opposed to the performance of hand cuts. In a further embodiment, measurement of astigmatism to be corrected, calculation of the nomogram, and the actual cutting are mostly or completely automated eliminating human error from the system. | 09-18-2014 |
20140276676 | LASER CAPSULOVITREOTOMY - Methods and systems for performing laser-assisted surgery on an eye form a layer of bubbles in the Berger's space of the eye to increase separation between the posterior portion of the lens capsule of the eye and the anterior hyaloid surface of the eye. A laser is used to form the layer of bubbles in the Berger's space. The increased separation between the posterior portion of the lens capsule and the anterior hyaloid surface can be used to facilitate subsequent incision of the posterior portion of the lens capsule with decreased risk of compromising the anterior hyaloid surface. For example, the layer of bubbles can be formed prior to performing a capsulotomy on the posterior portion of the lens capsule. | 09-18-2014 |
20140276677 | SYSTEMS AND METHODS FOR PROVIDING ANATOMICAL FLAP CENTRATION FOR AN OPHTHALMIC LASER TREATMENT SYSTEM - Embodiments of this invention relate to systems and methods for providing anatomical flap centration for an ophthalmic laser treatment system. In one embodiment, the laser surgery system, having an imaging system and a suction ring coupled with a patient interface, captures a digital image of a subject's eye and identifies an optimum treatment placement of the corneal flap using anatomical markers as reference points. | 09-18-2014 |
20140276678 | SYSTEMS AND DEVICES FOR SHAPING HUMAN CORNEA AND METHODS OF USE THEREOF - In some embodiments, the instant invention provides for a system for shaping a human cornea of an eye that includes at least the following components: a sapphire applanation window/suction ring (SAWSR) system, where the SAWSR system includes a sapphire applanation window/suction ring (SAWSR), a conical holder, an illuminator, and a temperature control, where the SAWSR system is configured to: (i) be positioned on the eye, (ii) applanate the human cornea of the eye, (iii) generate and position a centration aid, and (iv) maintain temperature control; an optical delivery system, where the optical delivery system includes: (i) a laser, (ii) a fiber delivery holder, and (iii) a laser control subsystem, where the laser control subsystem is configured to display a user interface to: 1) control a power and a temporal waveform of each of the beamlets of light, and 2) irradiate the human cornea of the eye. | 09-18-2014 |
20140288540 | EYE SURGERY REFRACTION CORRECTION - A planning device produces control data for a treatment device for eye surgery which produces at least one cutting surface in a cornea of the eye using a laser device. The planning device includes a calculation module for establishing a cornea cutting surface. The calculation module is configured to establish the cornea cutting surface based on data of a refraction correction, to produce a control data set for actuating the laser device for the cornea cutting surface, and to determine the cornea cutting surface in such a way that it consists of a plurality of sub-surfaces, each of which make a contribution to the refraction correction. | 09-25-2014 |
20140316389 | LASER EYE SURGERY SYSTEM - An imaging system includes an eye interface device, a scanning assembly, a beam source, a free-floating mechanism, and a detection assembly. The eye interface device interfaces with an eye. The scanning assembly supports the eye interface device and scans a focal point of an electromagnetic radiation beam within the eye. The beam source generates the electromagnetic radiation beam. The free-floating mechanism supports the scanning assembly and accommodates movement of the eye and provides a variable optical path for the electronic radiation beam and a portion of the electronic radiation beam reflected from the focal point location. The variable optical path is disposed between the beam source and the scanner and has an optical path length that varies to accommodate movement of the eye. The detection assembly generates a signal indicative of intensity of a portion of the electromagnetic radiation beam reflected from the focal point location. | 10-23-2014 |
20140316390 | Methods and Systems for Tracking a Torsional Orientation and Position of an Eye - Methods and systems for tracking a position and torsional orientation of a patient's eye. In one embodiment, the present invention provides methods and software for registering a first image of an eye with a second image of an eye. In another embodiment, the present invention provides methods and software for tracking a torsional movement of the eye. In a particular usage, the present invention tracks the torsional cyclorotation and translational movement of a patient's eye so as to improve the delivery of a laser energy to the patient's cornea. | 10-23-2014 |
20140316391 | EYESIGHT CORRECTION APPARATUS AND METHOD FOR CONTROLLING SAME - The eyesight correction apparatus according to the present invention comprises: a cutting unit for cutting out a portion of the cornea such that a stromal bed and a flap are arranged; an image processing unit for collecting, in images, the state between the flap which is located on the stromal bed and processing the images; a beam generating unit for generating a joining beam for interconnecting between the flap and a cut area of the cornea on the basis of the image signal processed by the image processing unit; a beam delivery unit for guiding the joining beam along the cut area between the flap and the cornea; and a control unit for controlling an operation of the beam delivery unit such that the joining beam can be radiated along the cut area between the flap and the cornea on the basis of the image signal. | 10-23-2014 |
20140324032 | HYBRID FIBER-BULK LASER ISOLATOR - An apparatus and method for performing ophthalmic laser surgery is provided. The apparatus includes a laser engine configured to deliver a laser pulse to a patient's eye, including a three-port isolator and a collimator attached to the three-port isolator. The collimator includes a collimating lens positioned adjacent to the three-port isolator and a fiber configured to receive laser light energy and provide laser light energy to the collimating lens and three-port isolator in a desired orientation. | 10-30-2014 |
20140330260 | SECTIONING A TRANSPARENT MATERIAL USING OPTICAL RADIATION - A method for creating cuts in a transparent material using optical radiation, wherein the optical radiation is focused at a focus in the material and the focus is displaced along a trajectory, wherein a periodic, crossing Lissajous figure is used as trajectory as viewed perpendicular to a main direction of incidence of the radiation. | 11-06-2014 |
20140336627 | APPARATUS AND METHOD FOR MEASURING AN OPTICAL BREAK-THROUGH IN A TISSUE - The invention relates to a device for measuring an optical penetration that is triggered in a tissue underneath the tissue surface by means of therapeutic laser radiation which a laser-surgical device concentrates in a treatment focus located in said tissue. The inventive device is provided with a detection beam path comprising a lens system which couples radiation emanating from the tissue underneath the tissue surface into the detection beam path. A detector device generating a detection signal which indicates the spatial dimension and/or position of the optical penetration in the tissue is arranged downstream of the detection beam path. | 11-13-2014 |
20140378955 | METHODS AND SYSTEMS TO PROVIDE EXCLUDED DEFINED ZONES FOR INCREASING ACCOMMODATIVE AMPLITUDE - Systems and methods for increasing the amplitude of accommodation of an eye, changing the refractive power of lens material of a natural crystalline lens of the eye, and addressing presbyopia are is provided. Generally, there are provided methods and systems for delivering a laser beam to a lens of an eye in a plurality of laser shots, which are in precise and predetermined patterns results in the weakening of the lens material. | 12-25-2014 |
20150011984 | CORNEAL VISUAL CENTER LOCALIZER (OR LOCATOR) - Daifs Corneal Visual Center (CVC) Localizer (Locator) is a point Light Source of Infra Red (IR) light, attached and fixed to any eximer laser machine, located at equal distance and in exactly opposite direction from the middle of a detecting camera that detects IR light reflection from the corneal surface and the pupillary margin of the iris with a point fixation target or its virtual extension, perpendicular to the plan containing the localizer and the middle point the inlet of the detecting camera, exactly in the middle of the distance between the localizing point light source and the middle point the detecting camera. With the Localizer in position and activated, the CVC will be seen on the screen of IR eye tracking as a white dot somewhere inside the white circle that represents the detected pupillary margin. The center of the pupil is automatically detected by the eye tracking software system and is marked on the screen by a cross which will considered by treatment software of the machine as the center of the refraction correction laser treatment. After accurate in-focus positioning of eye to be treated with the patient fixing the fixation target, the position of this cross could be manually changed to the position of the white dot representing the CVC and confirming by OK button. The relation between the CVC and the pupillary margin image is automatically fixed by the eye tracking system all over the whole laser treatment of this particular eye. | 01-08-2015 |
20150025511 | PHARMACEUTICAL COMPOSITIONS FOR INTRAOCULAR ADMINISTRATION AND METHODS FOR FABRICATING THEREOF - Pharmaceutical compositions for intraocular injection are described, the compositions consisting essentially of a therapeutically effective quantity of an anti-bacterial agent (such as moxifloxacin), a therapeutically effective quantity of an anti-inflammatory agent (such as prednisolone), at least one pharmaceutically acceptable excipient and a pharmaceutically acceptable carrier. Methods for fabricating the compositions and using them for intraocular injections are also described. | 01-22-2015 |
20150032091 | SECOND PASS FEMTOSECOND LASER FOR INCOMPLETE LASER FULL OR PARTIAL THICKNESS CORNEAL INCISIONS - A method for forming an incision in an eye, the method including performing a first pass of a first laser beam along a path within an eye, wherein after completion of the first pass there exists a residual uncut layer at an anterior surface of a cornea of the eye. The method further including performing a second pass of a second laser beam only along a portion of the path that contains the residual uncut layer, wherein after completion of the second pass, the residual uncut layer is transformed into a full complete through surface incision. | 01-29-2015 |
20150057644 | STABILIZING LENTICULES USED FOR REFRACTIVE CORRECTION - In certain embodiments, a method for refractive correction includes controlling, by one or more laser components, a focus of pulsed laser radiation having ultrashort pulses. A posterior incision is created with the pulsed laser radiation to form a posterior side of a lenticule. An anterior incision is created with the pulsed laser radiation to form an anterior side of the lenticule. Application of a stabilization solution to the lenticule is facilitated to stabilize the lenticule. | 02-26-2015 |
20150073397 | OPHTHALMOLOGICAL APPARATUS FOR THE BREAKDOWN OF EYE TISSUE - An ophthalmological apparatus includes a handle for manually holding and applying the ophthalmological apparatus, fastening abilities for fixing the ophthalmological apparatus at an eye, a light source, and a light projector for the focused projection of light pulses for punctiform tissue breakdown at a focal point in the interior of the eye tissue. The ophthalmological apparatus also includes a movement driver for moving the light projector. The movement of the light projector and therefore that of the focal point with the assistance of the movement driver permits a dimensioning of the optical projection system of the light projector which is substantially smaller than in the case of an ophthalmological apparatus where the focal point is moved exclusively by an optical projection system. | 03-12-2015 |
20150080865 | CORNEAL INLAY DESIGN AND METHODS OF CORRECTING VISION - Methods of designing corneal implants, such as inlays, to compensate for a corneal response, such as epithelial remodeling of the epithelial layer, to the presence of the implant. Additionally, methods of performing alternative corneal vision correction procedures to compensate for an epithelial response to the procedure. Methods of compensating for a corneal response when performing a vision correction procedure to create a center near region of the cornea for near vision while providing distance vision peripheral to the central near zone. | 03-19-2015 |
20150088104 | Operator-Controlled Scanning Laser Procedure Designed for Large-Area Epithelium Removal - Systems and methods for removing an epithelial layer disposed over a stromal layer in a cornea irradiate a region of the epithelial layer with a pulsed beam of ablative radiation. The ablative radiation is scanned to vary the location of the beam within the region in accordance with a pulse sequence. The pulse sequence is arranged to enhance optical feedback based on a tissue fluorescence of the epithelial layer. The penetration of the epithelial layer is detected in response to the optical feedback. The use of scanning with the pulse sequence arranged to enhance optical feedback allows large areas of the epithelium to be ablated such penetration of the epithelial layer can be detected. | 03-26-2015 |
20150100049 | SYSTEM AND METHOD FOR GENERATING TREATMENT PATTERNS - System and method for generating patterns P of aiming and treatment light on target eye tissue (e.g. the retina) of a patient's eye. The system includes light sources for treatment and aiming light, a scanner for generating patterns of spots of the generated light, a controller, and a graphic user interface that allows the user to select one of several possible spot patterns, adjust the spot density and/or spot size, and apply patterns with fixed or varied density. The patterns can be formed of interlaced sub-patterns and/or scanned without adjacent spots being consecutively formed to reduce localized heating. Partially or fully enclosed exclusion zones within the patterns protect sensitive target tissue from exposure to the light. | 04-09-2015 |
20150105760 | METHOD AND SYSTEM FOR ADJUSTING THE REFRACTIVE POWER OF AN IMPLANTED INTRAOCULAR LENS - A method for adjusting the refractive power of a fluid-filled intraocular lens implanted into a patient's eye. The method comprises ablating a portion of the intraocular lens to alter either one or both of a refractive power and an amplitude of accommodation of the intraocular lens. The ablating is performed while the intraocular lens remains implanted in the patient's eye. | 04-16-2015 |
20150105761 | LASER CORNEAL FLAP CUTTING SYSTEM AND ASSOCIATED METHODS - A method for performing wavefront-guided laser surgery on a cornea includes the step of calculating a corneal flap configuration based upon collected anatomical information on an eye and wavefront data on a cornea of the eye. Such data may be collected by, for example, an aberrometer, although this is not intended as a limitation. The calculated configuration is transmitted to a processor in controlling relation to a corneal flap-cutting device. The flap-cutting device is used to create a corneal flap based upon the calculated configuration. A system for performing wavefront-guided laser surgery on a cornea includes a processor for receiving the anatomical information and wavefront data. A software package is adapted to calculate the corneal flap configuration and to control a conical flap-cutting device to cut a corneal flap commensurate with the calculated corneal flap configuration. | 04-16-2015 |
20150133901 | CORNEAL VITRIFICATION, METHODS AND DEVICES TO PRODUCE CORNEAL VITRIFICATION AND METHODS OF USE THEREOF - The invention includes: a new composition of matter (a composite comprising a naturally occurring in vivo cornea in an in situ eye together with at least one volume of vitrified non-naturally occurring corneal stromal tissue formed within the naturally occurring corneal stromal tissue) wherein the vitrified tissue is modified in structure and properties from its naturally occurring condition into a non-naturally occurring glass-like condition with modifications including but not limited to increased eletastic modulus; methods for producing and using the new composition of matter for modifying cortical structure and properties, including but not limited to corneal optical aberrations; wound closure adhesion and transplant adhesion; and a photovitrification system for producing the new composition of matter comprising at least one photon source with controllable treatment parameters. A reverse template can be added to corneal vitrification systems to increase vitrification and modifications of structure and properties. | 05-14-2015 |
20150133902 | OPHTHALMOLOGICAL LASER SYSTEM AND OPERATING METHOD - A polarization beam splitter selectively decouples detection light onto a detector such that it has a polarization direction that differs from the emitted illumination light. This enables the detection of the light scattered back in the eye lens at a high level of accuracy, since stray light from reflections at optical components of the light path is suppressed. In the generating of photo disruptions or other incisions, the ray exposure of the retina may be reduced in that the incisions being furthest away from the laser are induced first such that laminar gas inclusions with an existence duration time of at least 5 seconds result. In this manner the laser radiation propagated in the direction of the retina in further incisions are scattered and partially reflected such that the influence impinging upon the retina is reduced. | 05-14-2015 |
20150141971 | MARKING LENTICULES FOR REFRACTIVE CORRECTION - In certain embodiments, marking a lenticule includes controlling a focus of pulsed laser radiation having ultrashort pulses. A lenticule marking is created in a cornea of an eye with the pulsed laser radiation to mark the lenticule. The lenticule is then created in the cornea with the pulsed laser radiation. | 05-21-2015 |
20150141972 | LASER EYE SURGERY SYSTEM CALIBRATION - A laser system is calibrated with a tomography system capable of measuring locations of structure within an optically transmissive material such as a tissue of an eye. Alternatively or in combination, the tomography system can be used to track the location of the eye and adjust the treatment in response to one or more of the location or an orientation of the eye. In many embodiments, in situ calibration and tracking of an optically transmissive tissue structure such as an eye can be provided. The optically transmissive material may comprise one or more optically transmissive structures of the eye, or a non-ocular optically transmissive material such as a calibration gel in a container or an optically transmissive material of a machined part. | 05-21-2015 |
20150148788 | ADJUSTING LASER TREATMENT IN RESPONSE TO CHANGES IN THE EYE - According to certain embodiments, a system comprises one or more memories and one or more processors. The one or more memories store optical data from an optical recorder comprising at least two optical data sets by: receiving a first optical data set of an eye with a pupil having a first pupil size; and receiving a second optical data set of the eye with the pupil having a second pupil size. The one or more processors determine a pseudo-rotation related to a pupil size change, receive a measured cyclotorsion, calculate an actual cyclotorsion from the measured cyclotorsion and the pseudo-rotation, and adjust a laser treatment according to the actual cyclotorsion. | 05-28-2015 |
20150290030 | Cataract Removal using Ultra-Short Pulse Lasers - A system and method of replacing a lens to treat a cataract is disclosed. Cataractous tissue is ablated via a multi-photon process using focused, ultra-short laser pulses. Multi-photon ablation requires an energy intensity between 10 | 10-15-2015 |
20150297403 | SYSTEM AND METHOD FOR RESECTING CORNEAL TISSUE - A system and method of resecting corneal tissue for transplantation is disclosed. In each of the recipient cornea and the donor cornea, an annular incision is made at a predetermined incision depth. A first sidecut incision is made in each cornea, running from the outer periphery of the annular incision to one of the anterior corneal surface or the posterior corneal surface. The first sidecut incision forms an acute angle with the annular incision. A second sidecut incision is also made in each cornea, running from the inner periphery of the annular incision to the other of the anterior corneal surface or the posterior corneal surface. The second sidecut incision forms an acute angle with the annular incision. The combination of the incisions in each cornea resects corneal tissue from the recipient cornea and donor tissue from the donor cornea. The donor tissue is grafted into the recipient cornea. | 10-22-2015 |
20150297409 | OPHTHALMOLOGICAL LASER SYSTEM - An ophthalmological laser system for photodisruptive irradiation of ocular tissue, including a crystalline lens or a cornea. The system includes an ultra-short pulse laser, the radiation of which is focusable as illumination light via an illumination beam path including a scanner unit and focusing optics. A control unit is programmed to execute determining irradiation control data for photodisruptions at irradiation points in an interior of the ocular tissue distributed three-dimensionally and non-equidistantly to create at least one predetermined target incision. The laser system then irradiates the ocular tissue according to the determined irradiation control data. | 10-22-2015 |
20150305927 | SURGICAL TOOLS AND SYSTEMS FOR CORNEAL TATTOOING AND RELATED METHODS - Devices, systems, surgical kits and methods for corneal surgery, preferably using femto-laser assisted, corneal tattooing. The corneal tattoos are formed with one or more viscous opaque substances such as pasty substances of different colors to match eye colors of different patients. | 10-29-2015 |
20150305928 | DEVICE AND METHOD FOR PRODUCING CONTROL DATA FOR THE SURGICAL CORRECTION OF THE DEFECTIVE VISION OF AN EYE - A device for producing control data for a laser device for the surgical correction of defective vision. The device generates the control data to control the laser, the optics and the scanner to cut the cornea by focusing the laser radiation and by shifting the position of the focus within the cornea. The control data controls the scanner to shift the position of the focus within the cornea. The device generates the control data such that the laser, the optics and the scanner emit and focus the laser radiation such, that a volume in the cornea is isolated. The removal of which volume from the cornea effects a desired correction of the defective vision. To determine the control data, the device is configured to calculate a radius of curvature R | 10-29-2015 |
20150305942 | IRRADIATING DEVICE AND PROGRAM - The invention provides an irradiating device and a program which can appropriately set a cross sectional shape of human tissue at a time of incising the human tissue by beam irradiation. For example, when a cornea ( | 10-29-2015 |
20150313760 | FEMTO SECOND MULTI SHOOTING FOR EYE SURGERY - Provided herein are methods for non-invasive ophthalmic surgery based on femto second multi shooting (FSMS) laser techniques. In one embodiment the FSMS laser technique is directed to corneal stroma. In another embodiment the FSMS laser technique is directed to crystalline lens. | 11-05-2015 |
20150335478 | MEASURING MODULE INCLUDING AN INTERFACE FOR COUPLING TO A LASER DEVICE - An apparatus for laser-assisted eye treatment comprises a laser device and first and second accessory modules. The laser device is configured to provide focused laser radiation and has a coupling port. The first accessory module may form a patient interface and has a contact surface for an eye. The second accessory module includes a measuring device that performs measurements of the laser radiation. In certain embodiments, the measurements include the measurement of a pulse duration of the laser radiation using a detector operating on the basis of two-photon absorption. The first and second accessory modules are configured to detachably couple to the laser device at the coupling port. Only one accessory module can be coupled to the coupling port at a time. Therefore, the first accessory module must be removed from the coupling port before the second accessory module can be attached to the coupling port. | 11-26-2015 |
20150335479 | OPHTHALMIC LASER SURGERY APPARATUS, AND EYEBALL FIXING PORTION MOVEMENT UNIT AND EYEBALL FIXING UNIT USED IN THE SAME - An ophthalmic laser surgery apparatus includes an irradiation optical system and including an objective lens, and treats a patient's eye by using a laser beam. The ophthalmic laser surgery apparatus includes a delivery unit that includes an irradiation end unit, includes at least a portion of the irradiation optical system, and optically guides the laser beam, a first movement unit that includes a first drive section and integrally moves the irradiation end unit and an eyeball fixing unit which is connected to the delivery unit and fixes the patient's eye, a second movement unit that includes a second drive section and moves the eyeball fixing unit by driving the second drive section, and drive control means for controlling driving of the first drive section and driving of the second drive section, and individually moving the first movement unit and the second movement unit. | 11-26-2015 |
20150359674 | TREATMENT APPARATUS FOR OPERATIVELY CORRECTING DEFECTIVE VISION OF AN EYE, METHOD FOR GENERATING CONTROL DATA THEREFOR, AND METHOD FOR OPERATIVELY CORRECTING DEFECTIVE VISION OF AN EYE - A treatment device for the surgical correction of hyperopia in the eye comprising a laser device controlled by a control device. The laser device separating corneal tissue by applying laser radiation. The control device controls the laser device for emitting the laser radiation into the cornea such that a lenticule-shaped volume is isolated. Removal thereof effects the desired correction. The control device predefines the volume such that a posterior surface and an anterior surface are connected via an edge surface that has a width in projection along the visual axis that is wider than the one which a straight line in the same projection, that is perpendicular at the edge of the posterior or the anterior surface would have relative to the associated surface and connects the anterior surface to the posterior surface or to the perceived extension thereof. | 12-17-2015 |
20150366711 | TREATMENT APPARATUS FOR OPERATIVELY CORRECTING DEFECTIVE VISION OF AN EYE, METHOD FOR GENERATING CONTROL DATA THEREFOR, AND METHOD FOR OPERATIVELY CORRECTING DEFECTIVE VISION OF AN EYE - A treatment apparatus for operatively correcting myopia or hyperopia in an eye includes a laser device controlled by a control device and that separates the corneal tissue by applying a laser beam. The control device controls the laser device to emit the laser beam into the cornea such that a lenticule-shaped volume is isolated in the cornea. The control device, when controlling the laser device, predefines the lenticule-shaped volume such that the volume has a minimum thickness of between 5 and 50 μm. For myopia correction, the minimum thickness occurs on the edge of the volume, and for hyperopia correction the minimum thickness occurs in the region of the visual axis. | 12-24-2015 |
20150366713 | DIAGNOSTIC AND SURGICAL LASER DEVICE UTILIZING A VISIBLE LASER DIODE - System and method for providing diagnostic, imaging procedures and surgical laser treatments generating patterns of laser light on target tissue of a patient. The system includes aiming and treatment light beams originating from the same visible laser emitting diode, a scanner for generating patterns of points of light of the generated light, a controller, and a user interface that allows the user to select one of several possible point of light patterns, adjusts the point of light intensity and/or duration. | 12-24-2015 |
20150374540 | REAL TIME ACOUSTIC DOSIMETRY FOR CORNEAL COLLAGEN CROSSLINKING - A change in the response of the cornea to ultrasonic energy directed into the cornea is monitored during irradiation of the cornea to bring about corneal crosslinking. Because the change in ultrasonic response is correlated with the degree of crosslinking achieved, a desired degree of crosslinking can be achieved by terminating the irradiation when the change reaches a threshold. The change in ultrasonic response can be determined by taking a baseline measurement before irradiation and additional measurements during irradiation using the same ultrasonic transducer ( | 12-31-2015 |
20150374547 | ONE-CARD PRESBYOPIA SYSTEMS AND RELATED METHODS - Methods and systems for correcting presbyopia using a surgical excimer laser include activating the laser once and transmitting a pre-defined three dimensional ablation profile to treat presbyopia based on the single activating step. | 12-31-2015 |
20150374548 | OPHTHALMIC SURGERY METHOD - A planning apparatus for generating control data for a treatment device, which produces at least one cut surface it the cornea by application of a laser apparatus, and to such a treatment device. The invention further relates to a method for generating control data for a treatment device, which produces at least one cut surface in the cornea by application of a laser apparatus. For this purpose, the planning apparatus determines a first access cut for the cap cut, and a second access cut for the lenticular cut, wherein the tissue is completely severed in the region of the access cuts. | 12-31-2015 |
20150374549 | SYSTEM AND METHOD FOR LASER CORNEAL INCISIONS FOR KERATOPLASTY PROCEDURES - A first image of the eye is generated when the cornea of the eye is exposed to a gas. The cornea is covered with an optic of a patient interface. A second image of the eye with the patient interface over the cornea is generated. In this second image, the patient interface distorts the second image of the eye. One or more of a position or an orientation of the eye is determined in response to the first image and the second image when the patient interface has been placed over the cornea. | 12-31-2015 |
20160008170 | METHOD AND DEVICE FOR TREATING RETINAL DETACHMENT | 01-14-2016 |
20160008173 | APPARATUS AND METHOD FOR CREATING INCISIONS IN A HUMAN CORNEA | 01-14-2016 |
20160022492 | Systems and Methods for Laser Beam Direct Measurement and Error Budget - Embodiments of the present invention generally describe systems, devices, and methods for directly measuring pulse profiles during pulse delivery. In some embodiment, the pulse profiles may be measured while the pulse is delivered to ablate a material. Embodiments, may calculate ablation spot parameters based on the pulse profiles and may refine one or more subsequent laser pulses based on deviations from the calculated ablation spot parameters from desired ablation spot parameters. In some embodiments, a fluence profiler is provided. The fluence profiler may measure a pulse profile of a laser pulse from a portion of the laser pulse. The fluence profiler may utilize a UV radiation energy sensor device and a camera-based imager. The measurements from the UV radiation energy sensor device and the camera-based imager may be combined and scaled to provide a measured pulse profile that corresponds to the delivered pulse. | 01-28-2016 |
20160022494 | CREATION OF CURVED CUTS IN THE INSIDE OF THE EYE CORNEA - A device for isolating a lenticle in the cornea of an eye. The device includes: a laser beam source to emit pulsed laser radiation having a pulse frequency of 1.2 MHz to 10 MHz, a pulse energy of 1 nJ to 200 nJ and a wavelength penetrating the cornea; a beam-forming unit having beam optics with an image field and that bundles pulsed laser radiation into a focus located inside the image field, and which has a maximum diameter of less than 3 μm; a beam-deflection unit shifting the focus in the cornea and inside the image field, the focus moving along a path when the image field is resting; and a control unit to control the source and the beam-forming unit to isolate the lenticle by specifying the path. The lenticle is delimited by a cut surface which is curved with regard to a front surface of the cornea. | 01-28-2016 |
20160022495 | METHOD FOR LASER CUTTING A CORNEAL POCKET - A method for using a laser to create a pocket in a patient's cornea is provided. The pocket is created using a femtosecond or a nanosecond laser. The laser ablates tissue within the cornea in a specific shape. The shape of the pocket can be determined by software to custom program a three-dimensional path of the laser. A variety of corneal pocket configurations or computer programmed shapes can be used accommodate various corneal lens shapes and sizes. An intracorneal lens can then be inserted into the pocket, in order to correct the patient's vision. | 01-28-2016 |
20160030244 | SYSTEM AND APPARATUS FOR TREATING THE LENS OF AN EYE - A system and apparatus for increasing the amplitude of accommodation and/or changing the refractive power and/or enabling the removal of the clear or cataractous lens material of a natural crystalline lens is provided. Generally, the system comprises a laser, optics for delivering the laser beam and a control system for delivering the laser beam to the lens in a particular pattern. There is further provided apparatus for determining the shape and position of the lens with respect to the laser. There is yet further provided a method and system for delivering a laser beam in the lens of the eye in a predetermined shot pattern. | 02-04-2016 |
20160045364 | Optical System With Movable Lens For Ophthalmic Surgical Laser - An eye-surgical laser system includes a laser source, to generate a laser beam, an XY scanner, to scan a focal spot of a received laser beam in an XY direction essentially transverse to an optical axis of the laser system, and a lens group, disposed in the optical path between the laser source and the XY scanner, to receive the laser beam generated by the laser source, to precompensate an aberration of the laser beam, and to forward the precompensated laser beam to the XY scanner, the lens group having a movable lens, movable in a Z direction along an optical axis. | 02-18-2016 |
20160058617 | SUBTHRESHOLD MICROPULSE LASER PROPHYLACTIC TREATMENT FOR CHRONIC PROGRESSIVE RETINAL DISEASES - A process for treating an eye to stop or delay the onset or symptoms of retinal diseases includes determining that the eye has a risk for a retinal disease before detectable retinal imaging abnormalities. A laser light beam is generated that provides preventative and protective treatment of the retinal tissue of the eye. At least a portion of the retinal tissue is exposed to the laser light beam without damaging the tissue. The retina may be retreated according to a set schedule or periodically according to the determination that the retina of the patient is to be retreated by monitored visual and/or retinal function or condition. | 03-03-2016 |
20160074225 | LASER APPARATUS AND METHOD FOR REFRACTIVE SURGERY - An ultrashort pulsed laser instrument is used to perform refractive surgery. The invention operates in ablative and incisional modalities. In the ablative mode, spiral ablation disks ( | 03-17-2016 |
20160074226 | LASER APPARATUS AND METHOD FOR REFRACTIVE SURGERY - An ultrashort pulsed laser instrument is used to perform refractive surgery. The invention operates in ablative and incisional modalities. In the ablative mode, spiral ablation disks ( | 03-17-2016 |
20160081851 | OPHTHALMOLOGICAL LASER METHOD AND APPARATUS - The present invention relates to a femtosecond laser ophthalmological apparatus and method that creates a flap on the cornea for LASIK refractive surgery or for other applications that require removal of corneal and lens tissue at specific locations, such as in corneal transplants, stromal tunnels, corneal lenticular extraction and cataract surgery. The femtosecond laser is transferred from the main cabinet to a hand piece module via a rotating mirror set module. In the hand piece, the femtosecond laser beam is scanned and guided to the patient's eye. The ablation pattern is based on dividing the area of the ablation area into a matrix grid made up of cells. Predetermined ablation pattern is completed in an individual cell before moving on to the next cell until ablation is complete in the entire matrix grid mapped on the ablation area. | 03-24-2016 |
20160089269 | LASER SYSTEM FOR EYE SURGERY - The here described invention generally relates to systems for laser eye surgery. It certain embodiments it discloses systems to perform femtosecond eye surgery without docking between the laser delivery system and the patient's eye as well as certain laser delivery system configurations that allow integration of laser delivery systems into a surgical microscope in specific ways, as well as integration into a slit lamp system. | 03-31-2016 |
20160089270 | SYSTEMS AND METHODS FOR LENTICULAR LASER INCISION - Embodiments of this invention generally relate to ophthalmic laser procedures and, more particularly, to systems and methods for lenticular laser incision. In an embodiment, an ophthalmic surgical laser system comprises a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye, an XY-scan device to deflect the pulsed laser beam, a Z-scan device to modify a depth of a focus of the pulsed laser beam, and a controller configured to form a top lenticular incision and a bottom lenticular incision of a lens in the subject's eye. | 03-31-2016 |
20160089271 | Method for Alignment of Intraocular Lens - A method for precise intraocular delivery of an astigmatic intraocular lens in a patient's eye includes recording traceable eye landmarks, recording the corneal astigmatism, registering the recorded astigmatism axis to the recorded traceable eye landmarks, providing a light source for generating a light beam, providing a scanner for deflecting the light beam to form an enclosed treatment pattern that includes a visible registration feature, providing a delivery system that delivers the enclosed treatment pattern to target tissue in the patient's eye to form an enclosed incision therein including the visible registration feature linkable to the recorded traceable eye landmarks registered to the corneal astigmatism axis. Inserting an intraocular lens within the enclosed incision, wherein the intraocular lens has an astigmatism axis registration feature visible to the surgeon to align with the patient's eye visible astigmatism axis registration feature of the enclosed incision. | 03-31-2016 |
20160100984 | ENDPOINT-MANAGED PHOTOCOAGULATION - Systems and processes are described relating to laser-based ophthalmic intervention technologies and, more specifically, to techniques for delivering reproducible amounts of laser energy to create visible and sub-visible lesions on an eye. The subject technology may provide a user with the ability to adjust the amount of energy to be delivered to the eye tissue by selecting a single numerical value. In response, the system may adjust the power and/or duration of the laser treatment beam pulse according to an operating curve determined by the system. | 04-14-2016 |
20160106588 | LASER EYE SURGERY LENS FRAGMENTATION - A laser eye surgery system includes a laser to generate a laser beam. A spatial measurement system generates a measurement beam and measure a spatial disposition of an eye. A processor is coupled to the laser and the spatial measurement system, the processor comprising a tangible medium embodying instructions to determine a spatial model of the eye in an eye coordinate reference system based on the measurement beam. The spatial model is mapped from the eye coordinate reference system to a machine coordinate reference system. A laser fragmentation pattern is determined based on a plurality of laser fragmentation parameters. The laser fragmentation pattern and the spatial model is rotated by a first rotation angle such that the spatial model is aligned with the reference axis of the machine coordinate reference system and the rotated laser fragmentation pattern is aligned with the corneal incision. | 04-21-2016 |
20160106590 | RE-TREATMENT FOR OPHTHALMIC CORRECTION OF REFRACTION - A planning device generating control data for a treatment apparatus for refraction-correcting ophthalmic surgery is provided, said apparatus using a laser device to separate a corneal volume, which is to be removed for correction, from the surrounding cornea by at least one cut surface in the cornea of an eye, said planning device comprising an interface for receiving corneal data including information on pre-operative cuts which were generated in a previous ophthalmic operation, and computing means for defining a corneal cut surface which confines the corneal volume to be removed, said computing means defining the corneal cut surface on the basis of the corneal data and generating a control dataset for the corneal cut surface for control of the laser device. | 04-21-2016 |
20160113815 | SYSTEMS AND METHODS FOR CHROMATIC ABERRATION CORRECTION - A system for correcting chromatic aberrations in an eye includes a diagnostic system configured to provide aberration data regarding a degree of chromatic aberration within an eye; a laser system; and a processing circuit configured to determine a diffractive lens profile to be applied to corneal tissue of the eye based on the aberration data and a desired correction of the chromatic aberration within the eye; and control operation of the laser system to apply the diffractive lens profile to the corneal tissue. | 04-28-2016 |
20160143783 | Apparatus and Corneal Remodeling Methods to Improve Vision in Macular Disease - Apparatus and methods to improve the vision in a person with a macular disease, comprising the purposeful temporary creation of increased corneal optical aberrations. Strategies include corneal treatment patterns that are one or more of asymmetric, decentered or eccentric with respect to the visual axis, which would result in worsening vision in a normal eye but surprisingly become sight enhancing in a patient with the loss of foveal function due to macular disease. | 05-26-2016 |
20160151202 | SYSTEM, METHOD AND ARRANGEMENTS FOR MODIFYING OPTICAL AND MECHANICAL PROPERTIES OF BIOLOGICAL TISSUES | 06-02-2016 |
20160166431 | TECHNIQUE FOR PHOTODISRUPTIVE MULTI-PULSE TREATMENT OF A MATERIAL | 06-16-2016 |
20160166434 | CUSTOMIZED LASER EPITHELIAL ABLATION SYSTEMS AND METHODS | 06-16-2016 |
20160175153 | KERATOCONUS TREATMENT | 06-23-2016 |
20160175323 | PHARMACEUTICAL COMPOSITIONS FOR INTRAOCULAR ADMINISTRATION AND METHODS FOR FABRICATING THEREOF | 06-23-2016 |
20160193082 | METHODS AND PATTERNS FOR INCREASING AMPLITUDE OF ACCOMMODATIONS IN A HUMAN LENS | 07-07-2016 |
20160250074 | SYSTEMS AND METHODS FOR FEMTOSECOND LASER PHOTOREFRACTIVE KERATECTOMY | 09-01-2016 |
20160374859 | APPARATUS FOR INDIVIDUAL THERAPY PLANNING AND POSITIONALLY ACCURATE MODIFICATION OF AN OPTICAL ELEMENT - A navigation apparatus for optically analyzing an inner structure of an optical element and processing that element includes a detection device and a processing device. The detection device has an aperture smaller than 0.25 and the processing device is disposed relative to the analyzed inner structure of the optical element. An apparatus for planning therapy for a human eye includes a dynamic wavefront measurement device for acquiring wavefront data, a diagnostic device for determining geometric parameters of the optical apparatus of the eye, a controller for consistent superposition of the wavefront and geometric data, and an additional controller for planning the most efficient therapeutic laser cutting paths. | 12-29-2016 |
20170231697 | SYSTEM AND METHOD FOR TREATING CONNECTIVE TISSUE | 08-17-2017 |
20170231819 | VISION CORRECTION APPARATUS AND METHOD FOR CONTROLLING SAME | 08-17-2017 |
20180021172 | APPARATUS AND METHOD FOR ENHANCING CORNEAL LENTICULAR SURGERY WITH LASER REFRACTIVE INDEX CHANGES | 01-25-2018 |
20190142638 | OPHTHALMIC SURGERY METHOD | 05-16-2019 |