Class / Patent application number | Description | Number of patent applications / Date published |
351159740 | Lens design | 72 |
20120105800 | Method And Apparatus For Designing An Optical Lens - A method and an apparatus for designing an optical lens surface for the manufacture of the optical lens, the method comprising the steps of providing a reference surface S | 05-03-2012 |
20120113388 | Use Of Accommodative Error Measurements In Providing Ophthalmic Lenses - Methods of making or providing ophthalmic lenses include using accommodative error measurements in the design or selection of one or more ophthalmic lenses. In some examples, the ophthalmic lenses are contact lenses. | 05-10-2012 |
20120133886 | METHOD OF CALCULATING A SETPOINT FOR BEVELING OR GROOVING AN OPHTHALMIC LENS - A method of calculating a shaping setpoint for an ophthalmic lens along a longitudinal profile includes:
| 05-31-2012 |
20120188504 | METHOD FOR ASSESSING AN OPTICAL FEATURE OF AN OPHTHALMIC LENS DESIGN - A method implemented by computer means of assessing at least a selected optical feature of an ophthalmic lens design over a prescription and optionally design particularity domain comprising the steps of:
| 07-26-2012 |
20120212704 | SYSTEM AND METHOD FOR COMMUNICATING THE GEOMETRY OF A CONTACT LENS - In exemplary embodiments, this invention comprises a method for communicating the geometry of a contact lens to a manufacturer. The method includes describing the shape of a first zone of a contact lens and describing the shape of a second zone of the contact lens by providing an angle of orientation from a reference point located on the first zone. The method may further include describing the shape of one or more additional zones by providing angles of orientation from a reference point on another zone. | 08-23-2012 |
20120212705 | OPTICAL FUNCTION DETERMINING METHOD - A method implemented by computer means for determining a virtual wearer-ophthalmic lens-ergorama system associated with an optical function of an ophthalmic lens for a given wearer, comprising: a prescription data providing step, an optical reference surface data providing step, a virtual wearer-ophthalmic lens-ergorama system determining step, a criteria selecting step, a target value defining step, an evaluation step, and a modification step, in which at least one parameter of the virtual wearer-ophthalmic lens-ergorama system different from the base curve of the ophthalmic lens is modified, in order to minimize the difference between the target value and the evaluation criterion value. | 08-23-2012 |
20120249950 | COMPOUND MODULATION TRANSFER FUNCTION FOR LASER SURGERY AND OTHER OPTICAL APPLICATIONS - Methods, devices, and systems establish an optical surface shape that mitigates or treats a vision condition in a patient. An optical surface shape for a particular patient can be determined using a set of patient parameters for the specific patient by using a compound modulation transfer function (CMTF). The compound modulation transfer function can include a combination of modulation transfer functions (MTF's) at a plurality of distinct frequencies. | 10-04-2012 |
20120274895 | Systems and Methods for Determining Intraocular Lens Power - The present invention relates to devices, systems and methods for determination or selection of a lens power based on the postoperative vitreous length of an eye. The combined measurements of VL | 11-01-2012 |
20130050641 | Systems and Methods for Determining Intraocular Lens Power - The present invention relates to devices, systems and methods for determination or selection of a lens power based on the postoperative vitreous length of an eye. The measurement of VL | 02-28-2013 |
20130077045 | METHOD FOR DESIGNING NON-ROUND SOFT CONTACT LENSES - A method for optimizing the performance in centration, rotation and stability of contact lenses makes use of the upper and lower eyelid geometries to maximize the lens-lid interaction for two different contact lens positions on the eye. The contact lenses are non-round lenses for maximum interaction with the eyelids. | 03-28-2013 |
20130100399 | Colored Contact Lens - A computer-implemented method of designing an iris region of a colored contact lens including providing an annular digital image representing at least a portion of an iris region of the eye. Applying a gradient fill algorithm to the digital image. And applying a halftoning algorithm to the digital image. | 04-25-2013 |
20130107204 | WAVEFRONT OPTIMIZED PROGRESSIVE LENS | 05-02-2013 |
20130169928 | Fabrication technique for replaceable optical corrective elements - Exemplary methods, systems and components enable an enhanced direct-viewing optical device to include customized adjustments that accommodate various optical aberrations of a current user. A real-time adjustment of transformable optical elements is sometimes based on predetermined corrective optical parameters associated with a current user. Customized optical elements are incorporated with the direct-viewing optical device to produce a specified change in optical wavefront at an exit pupil. Possible transformable or replacement optical elements may have refractive and/or reflective and/or diffractive and/or transmissive characteristics that are selected based on current performance viewing factors for a given field of view of the direct-viewing device. Some embodiments enable dynamic repositioning and/or transformation of corrective optical elements responsive to a detected shift of a tracked gaze direction of a current user. Replacement corrective optical elements may be fabricated for current usage or retained in inventory for possible future usage in the direct-viewing device. | 07-04-2013 |
20130235340 | COMPOUND MODULATION TRANSFER FUNCTION FOR LASER SURGERY AND OTHER OPTICAL APPLICATIONS - Methods, devices, and systems establish an optical surface shape that mitigates or treats a vision condition in a patient. An optical surface shape for a particular patient can be determined using a set of patient parameters for the specific patient by using a compound modulation transfer function (CMTF). The compound modulation transfer function can include a combination of modulation transfer functions (MTF's) at a plurality of distinct frequencies. | 09-12-2013 |
20130293836 | LIMITED ECHELETTE LENS, SYSTEMS AND METHODS - Methods for designing an ophthalmic lens that provides enhanced image quality across a wide and extended range of foci include utilizing pupil size measurements and based on the measurements determining the size of echelettes. | 11-07-2013 |
20130308094 | USE OF AN OPTICAL SYSTEM SIMULATING BEHAVIOR OF HUMAN EYE TO GENERATE RETINAL IMAGES AND AN IMAGE QUALITY METRIC TO EVALUATE SAME - A method of predicting clinical performance of an ophthalmic optical correction using simulation by imaging a series of objects of different sizes by each of a plurality of eye optical systems, each of the eye optical systems including the ophthalmic optical correction, the method providing an output value representing the resolution and contrast performance of the optical design at that vergence for the eye optical systems. | 11-21-2013 |
20140055744 | LENS PRECURSOR WITH FEATURES FOR THE FABRICATION OF AN OPHTHALMIC LENS - This invention provides for the fabrication of ophthalmic lenses via the utilization of DMD shows and/or DMD files. More specifically, the use of the DMD shows and/or DMD files to generate lens precursor designs comprising described features to form part of a substructure for the fluid reactive media portion of the lens precursor and wherein the lens precursor can generate particular ophthalmic lens designs in a free-form manner using methods described herein. | 02-27-2014 |
20140168603 | Systems And Methods For Creating Aberration-Corrected Gradient Index Lenses - Embodiments include methods, systems, and/or devices that may be used to create aberration-corrected gradient index lenses. In some embodiments, data related to aberration measurements is received. This data is processed and an inverse map is generated to compensate for the aberration measurements. An intensity pattern corresponding to the inverse map is then projected onto a blank lens (e.g., to locally polymerize a mobile monomer) to create an exposed lens with a gradient index to correct for the aberration measurement. For example, in some embodiments, the lens may be an intraocular lens and the data can be generated by using a wavefront sensor to measure aberrations (e.g., an optical phase profile to correct defocus or astigmatism) in a patient's eye. | 06-19-2014 |
20140211151 | TORIC LENS CALCULATOR - The present invention, in some embodiments thereof, provides a method and device for automatically calculating, prior to an IOL (intraocular lens) implantation procedure in a patient, a power and an axis location of the IOL in the implantation procedure, the method comprising: inputting to an electronic device keratometry parameters of the patient; inputting to the electronic device surgical parameters of the IOL implantation procedure on the patient; analyzing the patient keratometry parameters and the surgical parameters by the electronic device; and automatically determining by the electronic device the power and the axis location of the IOL in the implantation procedure in response to the inputs. | 07-31-2014 |
20140268034 | PRESBYOPIA LENS WITH PUPIL SIZE CORRECTION BASED ON LEVEL OF REFRACTIVE ERROR - Ophthalmic lenses for the treatment of presbyopia may be improved to enhance the visual experience of the patient. By adjusting the optical design of presbyopic lenses to account for changes in pupil size due to the degree of myopia or hyperopia, an enhanced visual experience may be achieved independent of the level of ametropia. | 09-18-2014 |
20140293218 | SECURED DATA COMMUNICATION IN A NETWORKED COMPUTER SYSTEM FOR PROVIDING OPTICAL LENSES - Method of supplying an optical lens adapted to a wearer, includes:
| 10-02-2014 |
20140320802 | Method For Providing An Optical System Of An Ophthalmic Spectacle Lens And Method For Manufacturing An Ophthalmic Spectacle Lens - Method for providing an optical system (OS) of an ophthalmic spectacle lens according to wearer's prescription data and wearer's optical needs with the provision that a wearer's optical need is not related to prescription data, where said optical system (OS) is defined by at least a front and a back surfaces (S | 10-30-2014 |
20140362341 | SYSTEM AND METHOD FOR DESIGNING WAVEFRONT-GUIDED OPHTHALMIC LENSES - The design of a corrective lens combines the measured aberration with decentration and rotation of the lens to design customized optical surface profiles to reliably achieve vision correction. | 12-11-2014 |
20140368790 | SYSTEM AND METHOD FOR REAL TIME SEGMENTATION - A system and method for updating a generic ophthalmic lens design is described. The method includes the steps of selecting a generic ophthalmic lens design from a generic ophthalmic lens design database and receiving, over a data-communication network, lens order data associated with at least one individual lens wearer. The method also includes the steps of creating, using the generic ophthalmic lens design and the lens order data, at least one customized ophthalmic lens design being customized for the respective at least one individual lens wearer and updating the generic ophthalmic lens design in the generic ophthalmic lens design database using the at least one customized ophthalmic lens design. | 12-18-2014 |
20150077704 | METHOD AND SYSTEM FOR IMPROVING AN OPHTHALMIC PRESCRIPTION - A method for adjusting an original prescription to be used in manufacturing an ophthalmic lens for correcting vision of a patient, the method comprising: obtaining an original prescription based on an eye vision measurement performed by virtue of a real optical system; obtaining supplementary input data associated with the eye vision measurement; calculating a simulated optical system simulating the real optical system, by using at least the original prescription and the supplementary input data; and calculating an adjusted prescription by using at least the original prescription and the simulated optical system, to reflect the effect of the supplementary input data on the eye vision measurement. | 03-19-2015 |
20150290034 | APERTURE WIDENING PROSTHESIS INCLUDING SPLINE SURFACE TOPOGRAPHY AND METHODS OF MAKING THE SAME - A prosthesis capable of being worn on the eye of a wearer having a convex surface and a concave surface. The prosthesis has an aperture widening zone for widening the natural palpebral fissure of the wearer's eye. The aperture widening zone may include a surface feature having an outer slope, an inner slope, and a maximum added thickness delta located between the outer slope and the inner slope. At least a portion of the surface feature may be designed in using one or more spline curve functions. Methods for designing and manufacturing prostheses having a surface feature at least partially designed using one or more spline curve functions are also provided. | 10-15-2015 |
20150293377 | METHOD FOR PROVIDING AN OPTICAL LENS - A method of data processing for providing an optical lens is disclosed, the method being implemented by computer means. The method comprises a determining step during which an association between an elements subset of an elements set and a properties collection is determined, the elements subset comprising at least two elements. And, the method comprises a storing step during which data related to the elements subset and the associated properties collection is stored, the elements subset related data describing the elements subset (SS | 10-15-2015 |
20150370089 | Method Of Manufacturing An Ophthalmic Lens - A method of manufacturing an ophthalmic lens comprising: an ophthalmic lens data providing step (S | 12-24-2015 |
20160046090 | Method For Controlling A Manufacturing Device Used In An Optical Lens Manufacturing Process - Method implemented by computer means for controlling a manufacturing device used in an optical lens manufacturing process. 1 Optical lens data is provided, wherein the optical lens data represents the nominal and effective values of at least one optical lens parameter of an optical lens manufactured according to a manufacturing process using a manufacturing device. Manufacturing data is provided identifying at least the manufacturing device used to manufacture the optical lens. The difference between the nominal and effective values of the at least one optical lens parameter of the optical lens is determined. A recommended value of a manufacturing parameter of the manufacturing device identified by the manufacturing data is determined, wherein the recommended value of the manufacturing parameter is determined based on the difference between the nominal and effective values of the at least one optical lens parameter. | 02-18-2016 |
20160077359 | SYSTEM FOR PROVIDING AN OPHTHALMIC LENS - The invention proposes a system for providing an ophthalmic lens, comprising:—a calculator ( | 03-17-2016 |
20160170231 | METHODS AND APPARATUS FOR FORMING A TRANSLATING MULTIFOCAL CONTACT LENS | 06-16-2016 |
20160198942 | VERGENCE WEIGHTING SYSTEMS AND METHODS FOR TREATMENT OF PRESBYOPIA AND OTHER VISION CONDITIONS | 07-14-2016 |
20170235157 | A METHOD FOR DETERMINING A LENS BLANK INTENDED TO BE USED TO MANUFACTURE AN OPTICAL LENS | 08-17-2017 |
351159750 | Eyeglasses or spectacles | 31 |
20120314186 | METHOD OF PREPARING AN OPHTHALMIC LENS FITTED WITH A MEMORY MARK - A method of preparing an ophthalmic lens ( | 12-13-2012 |
20130107205 | METHOD OF MAKING PRESCRIPTION LENS | 05-02-2013 |
20140211152 | METHOD FOR DETERMINING FRONT AND REAR SURFACES FOR OPTICAL PATCHES - Optical patches are assigned to prescriptions so as to reduce the total number of patch surfaces which are involved. The prescriptions are produced by varying at least one of a front patch surface (S | 07-31-2014 |
20140320803 | Method For Providing An Optical System Of An Ophthalmic Spectacle Lens And Method For Manufacturing An Ophthalmic Spectacle Lens - Method for providing an optical system (OS) of an ophthalmic spectacle lens according to wearer's prescription data and wearer's optical needs with the provision that a wearer's optical need is not related to prescription data, where said optical system (OS) is defined by at least a front and a back surfaces (S1, S2) and their relative position, comprising the steps of: providing a semi-finished lens blank (SB); (a) providing contour data (CD); choosing at least one localized optical feature (LOFi) suitable for the wearer's needs; positioning the contour data (CD) wherein the semi-finished lens blank comprises: a first surface (SB1) having in each point a mean sphere value (SPH | 10-30-2014 |
20150049304 | METHOD FOR MANUFACTURING A CORRECTIVE OPHTHALMIC GLASSES LENS PERSONALISED FOR A WEARER - A method for manufacturing a corrective ophthalmic glasses lens personalized for a wearer, includes defining and digitally recording the configuration parameters of the lens, calculating modeling data of the refractive faces of the lens, and manufacturing the lens in accordance with the configuration parameters. The method includes the following steps: recording at least one ordered execution sequence of different interactive configuration software modules, each module being associated with one of the configuration parameters and including, in a graphical interface, selecting at least one configuration parameter value associated with the module from a preselection of values of the parameter, graphically simulating a virtual lens obtained with the selected value of the configuration parameter, confirming the selection of a configuration parameter value, executing the at least one ordered sequence; at the end of the execution of each module, recording the selected, confirmed value of the configuration parameter associated with the module. | 02-19-2015 |
20150138501 | METHOD FOR PROCESSING AN UNFINISHED OPTICAL LENS MEMBER FOR MANUFACTURE OF AN OPTICAL LENS - Method of processing an unfinished optical lens member having a finished surface with a centre reference point, and a first and second surface, includes: providing contour data defining the contour of the first surface of the lens in a finished cut state, the maximum distance between two points of the contour defined by C | 05-21-2015 |
20150316787 | SPECTACLE LENS, MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR SPECTACLE LENS - A spectacle lens is manufactured by measuring an optical surface of a semi-finished lens blank, making a calculation for a shape of a non-optical surface of the semi-finished lens blank based on a measurement result and a prescription, and processing the non-optical surface in accordance with a result of the calculation. | 11-05-2015 |
20150362747 | MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR ASTIGMATIC SPECTACLE LENS - A reference lens common to left and right and reference object surface common to left and right including a plurality of object surfaces; calculating a ratio between distance from an intersection between a visual line in a front view and the reference lens to chief ray passing position on the reference lens and distance from an intersection between the visual line in the front view and the pseudo prescribed lens to the chief ray passing position on the pseudo prescribed lens; correcting, for each of the left and the right, a curvature distribution of pseudo prescribed lens' by correcting curvature at the chief ray passing position on the pseudo prescribed lens corresponding to each point on each of the plurality of object surfaces; and correcting, for each of the left and the right, curvature distribution of the prescribed lens based on the corrected curvature distribution of the pseudo prescribed lens. | 12-17-2015 |
20160004096 | MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR SPECTACLE LENS - Defining reference lens common to left and right; calculating object side angle view of light rays passing through sample points on reference lens; calculating light rays whose object side angles of view for prescribed lens are equal to calculated object side angles of view, obtaining light ray passing positions on the prescribed lens through light rays having the same object side angles of view as the light rays corresponding to sample points on the reference lens pass; calculating ratio between distance from intersection between visual line in front view and reference lens to sample point on reference lens and distance from intersection between visual line in front view and prescribed lens to light ray passing position on prescribed lens; and correcting a curvature distribution of prescribed lens by correcting curvature at each of light ray passing positions on prescribed lens corresponding to object side angles of view. | 01-07-2016 |
20160033791 | SPECTACLE LENS, MANUFACTURING METHOD THEREOF AND LENS SUPPLY SYSTEM - A lens supply system has: an initial shape data obtaining unit that obtains initial shape data of a spectacle lens; a shape data correcting unit that corrects the initial shape data such that, when a base curve of an initial lens manufactured based on the initial shape data is defined as a first base curve, a predetermined lens having a second base curve lower than the first base curve is defined as a target spectacle lens, prismatic effects which light rays in respective visual line directions passing through a center of an eye assumed in optical design receive from the initial lens coincide with or approach prismatic effects which the light rays receive from the target spectacle lens; and a spectacle lens manufacturing unit that manufactures a spectacle lens based on the corrected initial shape data. | 02-04-2016 |
20160062138 | HAIRBAND AND METHOD OF MANUFACTURE INCLUDING A SINGLE MOLD WITH OPTICAL LENS INSERTS - A method of manufacture is provided for a hairband including elongated temples disposed on opposing ends of a central portion. A single mold is selected from predetermined molds each adapted for a particular combination of user specifications such as physical head shape and size, and corrective vision magnification levels. Optical mold inserts are configured to the corrective vision magnification levels, and positioned to correspond with respective first and second viewing portions of the central portion. The mold is further configured with the temples each having a respective radius of curvature of a first value, and the viewing portions each having a respective radius of curvature of a second value less than the first value, wherein the mold defines a smoothly graduating but substantially continuous upper edge arcuate interior perimeter. A thermoplastic material is injected into the mold to form a unitary hairband which may be used as prescription eyewear. | 03-03-2016 |
20160091733 | Method Of Locally Thickening An Ophthalmic Lens - Method implemented by computer means for determining an ophthalmic lens adapted to a wearer and to a spectacle frame, the method comprising: providing wearer data comprising the wearer's ophthalmic prescription, providing mounting data comprising at least the tie points of the ophthalmic lens to be mounted in the spectacle frame, providing thickness requirement data comprising the minimum thickness of the ophthalmic lens at the tie points, determining ophthalmic lens data based on the wearer data, the ophthalmic lens data comprising the two optical surfaces of the ophthalmic lens and their relative positions, an oversize creating step (S | 03-31-2016 |
20160161765 | MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR SPECTACLE LENS - Defining a reference lens common to a left and a right; defining a reference object surface; calculating chief ray passing positions on the reference lens and a prescribed lens through which a chief ray from each point on each of the plurality of object surfaces passes; calculating a ratio between a distance from an intersection between a visual line in a front view and the reference lens to the chief ray passing position on the reference lens and a distance from an intersection between a visual line in a front view and the prescribed lens to the chief ray passing position on the prescribed lens; and correcting a curvature distribution of the prescribed lens by correcting curvature at the chief ray passing position on the prescribed lens corresponding to each point on each of the plurality of object surfaces. | 06-09-2016 |
20190146243 | METHOD OF DESIGNING AND PLACING A LENS WITHIN A SPECTACLES FRAME | 05-16-2019 |
351159760 | Optimization | 17 |
20120081661 | EYEGLASS LENS EVALUATION METHOD, EYEGLASS LENS DESIGN METHOD, EYEGLASS LENS MANUFACTURING METHOD, EYEGLASS LENS MANUFACTURING SYSTEM, AND EYEGLASS LENS - With respect to the evaluation of custom-made eyeglass lenses using a binocular visual acuity function, a measumrnet value including essentially at least one of or both of a positive relative convergence or a negative relative convergence of the positive relative convergence, the negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence is provided as a factor. | 04-05-2012 |
20120099075 | HIGH-ORDER ABERRATION CORRECTION FOR OPTIMIZATION OF HUMAN VISUAL FUNCTION - The present invention relates to the optimization of human visual function by correcting and/or optimizing high-order optical aberrations in high performance optical devices. The optimization is particularly useful for high performance devices used under low light conditions such as binoculars, rifle scopes, telescopes, microscopes, night vision goggles and laser eye protection devices. | 04-26-2012 |
20120105801 | METHOD FOR EVALUATING EYEGLASS LENS, METHOD FOR DESIGNING EYEGLASS LENS, AND METHOD FOR MANUFACTURING EYEGLASS LENS - An optical system is configured using a coordinate system such that an origin | 05-03-2012 |
20120147324 | METHOD FOR PROVIDING A SPECTACLE OPTHALMIC LENS BY CALCULATING FOR SELECTING A DESIGN - A method implemented by computer means for optimizing the design of a spectacle ophthalmic lens comprising: a) providing the residual astigmatism value and orientation data of a spectacle ophthalmic lens design for at least one gaze direction; b) providing the astigmatism and coma values and orientations data of an eye of a wearer; c) providing an optimized spectacle ophthalmic lens comprising adapting the management of astigmatism and coma of an lens-eye system based on a combination of the astigmatism and coma of the lens-eye system so as to improve the acuity versus distortion for the wearer's eye and where the lens-eye system consists of the spectacle ophthalmic lens design and the wearer's eye, with the proviso that the RMS value of the astigmatism of the lens-eye system is equal or greater to 0.025 μm and that the RMS value of the coma of the lens-eye system is equal or greater to 0.025 μm. A computer program product carrying out at least one of the steps. | 06-14-2012 |
20120218513 | SPECTACLE LENS EVALUATING METHOD, SPECTACLE LENS DESIGNING METHOD USING SAME, SPECTACLE LENS MANUFACTURING METHOD, SPECTACLE LENS MANUFACTURING SYSTEM, AND SPECTACLE LENS - More appropriate evaluation, design, and manufacture are made feasible by taking visual functions into consideration more appropriately. In order to achieve this object, in the present invention, provided is a spectacle lens evaluation method for evaluating spectacle lenses using a visual acuity function, characterized in that the visual acuity function includes relative accommodation power as a factor, the relative accommodation power referring to the range expressed in terms of diopter in which distinct vision is achieved while maintaining convergence of a gaze point. | 08-30-2012 |
20120300172 | Process for Designing an Ophthalmic Progressive Eyeglass - A process for designing an ophthalmic progressive eyeglass comprises providing an initial front surface and an initial back surface. Respective addition values of front and back surfaces of the eyeglass are varied based on said initial front and back surfaces using a surface derivation tool. These surface addition values are selected so that the eyeglass exhibits an eyeglass addition value which matches a wearer's prescription and a value for a design feature which matches a target value. Said target value may be used for customizing the ophthalmic progressive eyeglass. The process does not require point-to-point surface optimization. | 11-29-2012 |
20130063697 | Method for Determining an Edge of an Uncut Spectacle Lens - Method for determining the edge contour of an uncut spectacle lens comprises: a spectacle frame data providing step, a minimum edge thickness providing step, an initial contour providing step, a thickness determining step, an optimized point selecting step, a repeating step, and a edge contour determining step. | 03-14-2013 |
20140049747 | PRESCRIPTION-DEPENDENT AND INDIVIDUALIZATION-DEPENDENT MODIFICATION OF THE TEMPORAL PERIPHERAL NOMINAL ASTIGMATISM AND ADAPTION OF THE OBJECT DISTANCE FUNCTION TO CHANGED OBJECT DISTANCES FOR NEAR AND/OR FAR VISION - Method for optimization of a progressive spectacle lens, which method comprises: defining a starting nominal astigmatism distribution for the spectacle lens; determining a transformed nominal astigmatism distribution and optimizing the spectacle lens on the basis of the transformed nominal astigmatism distribution, wherein the determination of a transformed nominal astigmatism distribution comprises multiplication of the maximum temporal nominal astigmatism of the starting nominal astigmatism distribution by a factor k as a result of which a modified maximum temporal astigmatism is obtained, wherein k is a function of a prescription value, and/or at least of one parameter of the spectacle lens or of the arrangement thereof in front of the eyes, and transformation of the starting nominal astigmatism distribution on the basis of the modified maximum temporal astigmatism. Method for optimization of a progressive spectacle lens, which method comprises: defining a starting object distance function; determining object distance data, wherein these comprise an object distance at a predetermined point on the main line of sight; modifying the starting object distance function in accordance with the object distance data; optimizing the spectacle lens, wherein the transformed object distance function is taken into account, wherein the modification of the starting object distance function comprises superposition with a correction function, which has a variable parameter that is determined, in accordance with the object distance data, in such a way that the value of the modified starting object distance function at the predetermined point is equal to the reciprocal value of the determined nominal object distance for this point, wherein the object distance function is defined as the reciprocal object distance along the main line of sight. | 02-20-2014 |
20140098341 | METHOD FOR CALCULATING AND OPTIMIZING AN EYEGLASS LENS TAKING INTO CONSIDERATION HIGHER-ORDER IMAGING ERRORS - The invention relates in particular to a computer-implemented method for calculating or optimizing a spectacle lens, comprising the steps of:
| 04-10-2014 |
20150116657 | PRESCRIPTION-DEPENDENT AND INDIVIDUALIZATION-DEPENDENT MODIFICATION OF THE TEMPORAL PERIPHERAL NOMINAL ASTIGMATISM AND ADAPTATION OF THE OBJECT DISTANCE FUNCTION TO CHANGED OBJECT DISTANCES FOR NEAR AND FAR VISION - Method for optimization of a progressive spectacle lens, which method comprises: defining a starting nominal astigmatism distribution for the spectacle lens; determining a transformed nominal astigmatism distribution and optimizing the spectacle lens on the basis of the transformed nominal astigmatism distribution, wherein the determination of a transformed nominal astigmatism distribution comprises multiplication of the maximum temporal nominal astigmatism of the starting nominal astigmatism distribution by a factor k as a result of which a modified maximum temporal astigmatism is obtained, wherein k is a function of a prescription value, and/or at least of one parameter of the spectacle lens or of the arrangement thereof in front of the eyes, and transformation of the starting nominal astigmatism distribution on the basis of the modified maximum temporal astigmatism. Method for optimization of a progressive spectacle lens, which method comprises: defining a starting object distance function; determining object distance data, wherein these comprise an object distance at a predetermined point on the main line of sight; modifying the starting object distance function in accordance with the object distance data; optimizing the spectacle lens, wherein the transformed object distance function is taken into account, wherein the modification of the starting object distance function comprises superposition with a correction function, which has a variable parameter that is determined, in accordance with the object distance data, in such a way that the value of the modified starting object distance function at the predetermined point is equal to the reciprocal value of the determined nominal object distance for this point, wherein the object distance function is defined as the reciprocal object distance along the main line of sight. | 04-30-2015 |
20150309333 | METHOD FOR DESIGNING SPECTACLE LENS, AND SYSTEM FOR DESIGNING SPECTACLE LENS - A method for designing a spectacle lens includes: a determination step of determining at least one optimization condition to be used in optimization design of a spectacle lens in accordance with a prescription condition for the spectacle lens; a design step of designing at least one prototype lens by the optimization design corresponding to the at least one optimization condition determined in the determination step; a selection step of selecting a prototype lens to be provided as the spectacle lens from the at least one prototype lens designed in the design step; and a recording step of performing update recording, at a database in which a plurality of optimization conditions respectively correlated with a plurality of prescription conditions are recorded, an optimization condition that is correlated with the prescription condition for the spectacle lens to an optimization condition used in the optimization design of the prototype lens selected in the selection step. | 10-29-2015 |
20150323810 | Method For Optimizing A Fresnel Optical Lens - Method means for optimizing an optical lens adapted to a wearer, using an initial optical system providing stage (S | 11-12-2015 |
20150338680 | METHOD FOR REDUCING THE THICKNESS OF A LENS SHAPE AND UNCUT LENS BLANK - The current invention is directed to a method, in particular a computer-implemented method, for providing a modified lens design for an uncut lens blank, in particular through the use of a non-transitory computer readable medium. Further, a method, in particular a computer-implemented method, for reducing a thickness of an original lens design of an uncut lens blank, in particular through the use of a non-transitory computer readable medium, is provided. Furthermore, a method for manufacturing an uncut lens blank and an uncut lens blank are provided. | 11-26-2015 |
20150346512 | METHOD AND SYSTEM FOR DETERMINING AN EYEGLASS PRESCRIPTION - The invention is directed to a method for determining an eyeglass prescription for an eye, in particular through the use of a non-transitory computer readable medium. The method includes the steps of providing a measurement indicative of the refractive properties of the eye; establishing an optimization space corresponding to a plurality of possible eyeglass prescriptions for the eye; determining a merit function, wherein a value of the merit function corresponds to a visual function of the eye when corrected using one of the plurality of possible eyeglass prescriptions within the optimization space, wherein the merit function includes a term depending on a magnitude of a corrective astigmatism of the one of the plurality of possible eyeglass prescriptions and causing a less optimal value of the merit function the higher the magnitude of the corrective astigmatism and/or the higher the magnitude of a difference between the corrective astigmatism and a subjective corrective astigmatism; and determining the eyeglass prescription by optimizing the value of the merit function. The invention is further directed to a system for determining an eyeglass prescription and a corresponding computer program product. | 12-03-2015 |
20160124246 | METHOD FOR DETERMINING AN OPTICAL EQUIPMENT - Method implemented by computer for determining an optical equipment including at least an optical lens and a spectacle frame, the lens being adapted to be mounted in the frame, the method including:
| 05-05-2016 |
20160139427 | Method For Optimizing An Optical Surface - Method for optimizing an optical surface comprising: an initial optical surface providing step, a working optical surface defining step, during which a working optical surface is defined to be equal to the initial optical surface, a first surface cost function providing step, during which a first surface cost function of the nth derivative of the surface is provided, a set of surface cost functions providing step, during which a set of surface cost functions function of at least one criterion over evaluation zones is provided, a global surface cost function evaluation step during which a global surface cost function equal to a weighted sum of the previous cost functions is evaluated, a modifying step, during which the working surface is modified, wherein the evaluation and modifying steps are repeated so as to minimize the global surface cost function. | 05-19-2016 |
20160139428 | Method For Optimizing A Measured Contour Of A Spectacle Frame - Method implemented by computer means for optimizing a measured contour of an opening of a spectacle frame, the method comprising: a contour data providing step, a working contour defining step, during which a working contour of the spectacle frame is defined, a first contour cost function providing step, during which a first contour cost function function of the mth derivative of the curve of the contour is provided, a set of contour cost functions providing step, during which a set of contour cost functions is provided, a global contour cost function evaluation step during which a global contour cost function is evaluated, a contour modifying step, during which the working contour is modified, wherein the global contour cost function evaluation and contour modifying steps are repeated so as to minimize the global contour cost function. | 05-19-2016 |
351159770 | Optimization | 8 |
20120092614 | MANUFACTURING OF PROGRESSIVE SPECTACLE LENS CUSTOMIZED BASED ON BLUR PERCEPTION - The invention relates to the making of a progressive spectacle lens for customizing the lens based on the blur perception by a future lens wearer. Accordingly, a blur threshold value is determined for the wearer according to a blur perception criterion that varies based on an optical-power addition value prescribed for the wearer. The blur threshold value is associated with a reference sight direction for the lens provided to the wearer. | 04-19-2012 |
20120268713 | METHOD FOR DETERMINING, OPTIMISING AND PRODUCING AN OPHTHALMIC LENS AND SET OF OPHTHALMIC LENSES - The invention relates to a method for determining an ophthalmic lens for a person (i | 10-25-2012 |
20120281183 | Method for Determining Binocular Performance of a Pair of Spectacle Lenses - A method of determining binocular performance of a pair of spectacle lenses comprises: a eyes characteristics providing step, a pair of spectacle lenses providing step, a environment providing step, a cyclopean eye positioning step, a binocular performance criteria defining step, and a binocular performance criteria determining step, wherein the cyclopean eye position is customized. | 11-08-2012 |
20130155374 | METHOD FOR DESIGNING AND MANUFACTURING A MONOFOCAL OPHTHALMIC LENS AND CORRESPONDING LENS - A method for designing and manufacturing a monofocal ophthalmic lens and corresponding lens. A surface of the monofocal ophthalmic lens is defined by: | 06-20-2013 |
20130229619 | METHOD FOR OPTIMIZING A SPECTACLE LENS WITH A DIFFRACTION GRATING - A computer-implemented method and a device for optimizing an optical element comprising at least one diffraction grating, wherein at least one refractive surface contributing to the refractive light deflection and/or the at least one diffraction grating of the optical element are/is optimized in such a way as to minimize the color fringe and at least a second-order aberration of the optical element. Also, a corresponding production method and a corresponding device for producing an optical element comprising at least one diffraction grating. | 09-05-2013 |
20130329186 | Method for Determining Target Optical Functions - A method for determining target optical functions for a pair of ophthalmic lenses is provided, the method comprising steps of: generating a first target optical function (OFT | 12-12-2013 |
20130335701 | LENSES, SYSTEMS AND METHODS FOR PROVIDING CUSTOM ABERRATION TREATMENTS AND MONOVISION TO CORRECT PRESBYOPIA - A lens, system and/or method for providing custom ocular aberrations for enhanced higher visual acuity. Scaled versions of a patient's aberration pattern may either attenuate or amplify the overall amount of ocular aberrations, to either correct or partially correct a patient's aberrations leading to enhanced visual acuity and/or extended depth of focus. This may be binocularly applied in order to provide high visual acuity in a patient at least at near, far and intermediate distances. The method may include obtaining an optimized binocular summation of both eyes of the patient; designing a first lens solution to correct or partially correct the dominant eye's aberrations according to an attenuated scaled version of a patient's ocular aberrations in the dominant eye; and designing a second lens solution to provide an additional customized extension of depth of focus by the induction of scaled patterns of ocular aberrations in the non dominant eye. | 12-19-2013 |
20160116763 | METHOD FOR DESIGNING CONTACT LENSES WITH SEMI-CUSTOMIZED BACK SURFACE - The present invention is directed to a method for designing a soft contact lens with semi-customized back surface including determining axial radius topography data for a plurality of eyes of a specific population; calculating an apical radius and a conic constant distribution from the axial radius data; determining apical radius and conic constant values for an individual subject; selecting a subset of base curves from a base curve library based on the individual subject's apical radius and conic constant values; and selecting a final base curve from the subset of base curves that fits the individual subject's needs based on one or more selection criteria. | 04-28-2016 |