| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 351169000 |
Gradually varying focal power
| 73 |
| 351172000 |
Multiple elements | 4 |
| 20090091705 | Bifocal plastic lens - A bifocal plastic lens having a bench lens and a small lens with different refractive powers. The small lens not protruding above a surface of the bench lens, a boundary between the constituent lenses being difficult to see. The small lens may be provided on a preparatory lens member including the small lens. Alternatively, the preparatory lens member has a concave portion for a small lens molding surface. A resin having a higher refractive index than a resin constituting other portions of the lens is adhered to a surface provided with the small lens or the concave portion to be the small lens molding surface in the preparatory lens member, and is cured and integrated. | 04-09-2009 |
| 20100149485 | NON-PROGRESSIVE MULTIFOCAL LENS WITH LARGE NEAR/INTERMEDIATE AREA - A non-progressive ophthalmic lens used in eye frames is provided with at least two distinct viewing areas. A very large lower area (lower relative to the face and eyes of the wearer) is provided with near to intermediate range vision correction prescription. A smaller, top portion of the lens is provided with distance range viewing correction prescription or zero power. In order to reduce image jump, the lenses are positioned such that the major axis of the base lens intersects and ends on the major axis of the supplementary lens, and both major axes lie in the same vertical plane. The two lens segments meet at a lined or blended intersection to minimize consumption of non-optically viewable space. | 06-17-2010 |
| 20100165288 | Lens assemblies and methods - The present invention generally relates to various lenses, lens assemblies, and devices using such lenses and/or lens assemblies, to various methods of fabricating and/or using such lenses, lens assemblies, and/or devices, and to various processes of making such lenses, lens assemblies, and/or devices. More particularly, the present invention relates to various lenses which may include multiple regions at least two of which may define different magnifications therethrough. Accordingly, various lens assemblies of the present invention may include multiple lenses at least one of which may define multiple magnifications and may translate, rotate or otherwise move laterally with respect to the other lens while overlapping or aligning with different portions of the other lens and while providing uniform magnifications across preset portions of overlapped or aligned regions of the lenses. In addition, the devices of the present invention may employ such lens assemblies and provide various magnifications by moving mobile lens of the lens assembly laterally relative to stationary lenses thereof. The present invention also relates to various methods of laterally moving such mobile lenses with respect to such stationary lenses, various methods of providing or using such lenses and/or lens assemblies in order to provide multiple magnifications by laterally moving such mobile lenses in order to overlap different portions of the stationary lens, and various methods of using such mobile lenses and lenses and lens assemblies to provide multiple magnifications to various devices. The present invention further relates to various processes for providing the foregoing lenses, lens assemblies, and devices. | 07-01-2010 |
| 20110134388 | Wraparound Corrective Lens - A corrective wraparound lens is provided for a wearer where the wraparound lens has a non-corrective lens element and a corrective lens element where the curvature of the non-corrective lens element is different from the curvature of the corrective lens element. Such lens has the ability to correct the defect in eyesight while capable of contouring to the face of the wearer thus able to protect the face of the wearer. In addition, a method to correct defect in eye is provided using a corrective wraparound lens for a wearer comprising a non-corrective lens element and a corrective lens element wherein a first curvature of said non-corrective lens element is different than a second curvature of said corrective lens element. | 06-09-2011 |
| 351171000 |
Three or more foci | 3 |
| 20090122262 | Pseudo-Accommodative IOL Having Diffractive Zones with Varying Areas - In one aspect of the invention, a multifocal ophthalmic lens includes an optic and a plurality of diffractive zones disposes about an optical axis of the optic. At least two of the diffractive zones have different areas so as to cause broadening of optical energy profiles at a near focus and a far focus of the diffractive zones for generating an intermediate focus. A fraction of incident optical energy directed to the intermediate focus is different from a fraction of incident optical energy directed to at least one of the near or far foci. | 05-14-2009 |
| 20100014049 | OPHTHALMIC LENS WITH MULTIPLE PHASE PLATES - An ophthalmic lens for providing a plurality of foci includes an optic having an anterior surface, a posterior surface, and an optical axis. The ophthalmic lens has a first region and a second region. The first region has a first refractive optical power and includes a first base curvature having a finite first radius of curvature and a first phase plate having at least one diffraction order with a diffractive optical power. The first region is configured for forming a first focus and a second focus. The second region has a second refractive optical power and includes a second base curvature having a finite second radius of curvature that is different from the first radius of curvature and a second phase plate having at least one diffraction order with a diffractive optical power. The second region is configured for forming a third focus that is between the first focus and the second focus. The ophthalmic lens may be configured so the first focus provides distant vision, the second focus provides near vision, and the third focus provides intermediate vision. | 01-21-2010 |
| 20100110371 | Method and Apparatus for Controlling Peripheral Image Position for Reducing Progression of Myopia - A method and apparatus are disclosed for controlling optical aberrations to alter relative curvature of field by providing optical devices and methods comprising the repositioning of peripheral off-axis focal points relative to the retina to produce stimulus for influencing the progression of refractive error while simultaneously controlling the position of the central focal point near to the retina to provide clear central vision and simultaneously providing zones of controlled peripheral defocus and other optical aberrations to improve peripheral vision for select directions of gaze. | 05-06-2010 |
| 351170000 |
With prismatic segment | 2 |
| 20090002627 | OPTICAL ELEMENTS HAVING VARIABLE POWER PRISMS - Optical elements having a plurality of integral prism facets having varying prismatic power are provided. These optical elements address the disadvantages of conventional therapeutic optical prisms by addressing the undesirable variation in prismatic effect that results when conventional prisms are combined with optical lenses in binocular vision. Specifically, the present invention can equalize differential prismatic effects of right and left eye lenses over their entire aperture. The optical elements may include a plurality of prism facets having base-down and base-up prismatic power. The elements may include individual elements having variable prismatic elements, individual elements combining both conventional prisms and variable prism, or separate elements having conventional prisms and variable prism. The plurality of integral facets or a substantially continuous smooth surface may be provided, for, example, a cylindrical surface having a circular or non-circular profile. Methods of correcting binocular vision are also disclosed. | 01-01-2009 |
| 20110194071 | VARIABLE PRISM EYEGLASSES - The present invention is directed to an eyeglass device that has manually variable prisms to correct strabismus; that is, double vision. The variable prism eyeglasses consist of an eyeglass frame that holds two primary rings in position and provides baseline reference points for alignment. Prism lenses and corrective lenses fit inside the primary rings and allow the two prism lenses of each primary ring to rotate independently and to hold the corrective lens fixed in place relative to the primary rings. Detent channels on the upper surface and lower surface of the primary rings are the means by which the prisms are adjusted. Each prism lens is moved and positioned via a prism lens pin located in the base of each prism lens. The prism lens pins fit into the detents in the detent channels of the primary ring. The detent selected determines the amount of corrective power the prisms will produce. | 08-11-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20080218688 | VISION IN MACULAR DEGENERATION PATIENTS - An eyeglass lens and manufacturing method using a variable refractive index material, such as epoxy. In one embodiment, a method of making an eyeglass lens includes: imaging a patient's eye to determine a wavefront prescription for the patient; and curing the lens based on the wavefront prescription such that the wavefront guided lens corrects for aberrations over the lens for a plurality of gazing angles of the patient. | 09-11-2008 |
| 20090033866 | SYSTEM, APPARATUS, AND METHOD FOR CORRECTING VISION USING AN ELECTRO-ACTIVE LENS - A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer's refractive error. The viewing correction area provides correction for non-conventional refractive error to provide at least a part of the wearer's vision correction. The lens has a prescription based on a wave front analysis of the wearer's eye and the lens can further be modified to fit within an eyeglass frame. | 02-05-2009 |
| 20090161065 | Methods and Apparatuses for Altering Relative Curvature of Field and Positions of Peripheral, Off-Axis Focal Positions - A method and apparatus are disclosed for controlling optical aberrations to alter relative curvature of field by providing ocular apparatuses, systems and methods comprising a predetermined corrective factor to produce at least one substantially corrective stimulus for repositioning peripheral, off-axis, focal points relative to the central, on-axis or axial focal point while maintaining the positioning of the central, on-axis or axial focal point on the retina. The invention will be used to provide continuous, useful clear visual images while simultaneously retarding or abating the progression of myopia or hypermetropia. | 06-25-2009 |
| 20090195748 | OPHTHALMIC LENS WITH MULTIPLE PHASE PLATES - An ophthalmic lens for providing a plurality of foci has an optic including an anterior surface, a posterior surface, and an optical axis. The ophthalmic lens further includes a central phase plate, an intermediate phase plate surrounding the central phase plate, and an outer refractive region. The central phase plate comprises a first base curvature having a first radius of curvature and is configured such that the lens is able to direct light to a first focus and a second focus corresponding different diffraction orders of the phase plate. The intermediate phase plate is configured to change the overall resultant distribution of light directed to the second focus. The outer refractive region has no diffractive optical power and surrounds the intermediate phase plate. The outer refractive region is configured to direct light to the second focus and has an aspheric shape configured to reduce an optical aberration. | 08-06-2009 |
| 20090268158 | Diffractive Multifocal Lens Having Radially Varying Light Distribution - The present invention provides improved ophthalmic lenses and methods for their design and use. Monofocal and multifocal diffractive ophthalmic lenses having reduced light scatter and/or improved light energy distribution properties are provided. These properties are provided by the diffractive profiles of the invention, often having subtlely shaped echelettes with appropriately curving profiles. Light scatter may be generated by the sharp corners associated with vertical steps between adjacent conventional diffractive echelettes. Smooth diffractive profiles of the invention reduce light scatter. Light energy directed towards non-viewing diffractive orders may have a unwanted effects on vision quality. Diffractive profiles of the invention may limit the light energy in certain, selected orders, thereby improving viewing quality and mitigating unwanted effects such as dysphotopsia. Diffractive profiles of the invention can also vary the light energy distributed between individual echelettes, providing additional advantages in various viewing situations. | 10-29-2009 |
| 20090279050 | ELECTRO-OPTIC LENSES FOR CORRECTION OF HIGHER ORDER ABERRATIONS - A lens is presented in which the lens includes a substrate and an electrode layer. The electrode layer is positioned upon the substrate. The electrode layer has radially alternating rings of electrodes and resistive material. When voltage is applied across two adjacent electrodes the profile of the electric field therebetween is linear. When voltage is applied to the rings of electrodes, the optical phase profile of the lens closely approximates the optical phase of ideal spherical aberration correction. | 11-12-2009 |
| 20100002190 | ELECTRICAL INSULATING LAYERS, UV PROTECTION, AND VOLTAGE SPIKING FOR ELECTRO-ACTIVE DIFFRACTIVE OPTICS - An electro-active lens has a first substrate with a surface relief diffractive topological profile and a second substrate positioned opposite to the first substrate having a substantially smooth topological profile. A first electrode is positioned along the surface relief diffractive topological profile of the first substrate and a second electrode is positioned between the first electrode and the second substrate. The smallest distance between the electrodes is less than or equal to about 1 micron An electro-active material is positioned between the first and second electrodes and a first insulating layer is positioned between the first and second electrodes. | 01-07-2010 |
| 20100045930 | VARIABLE FOCUS LENS AND SPECTACLES - A variable focus lens ( | 02-25-2010 |
| 20100085535 | Multifocal Ophthalmic Eyeglass - A multifocal ophthalmic eyeglass ( | 04-08-2010 |
| 20100177277 | ELECTRO-ACTIVE SPECTACLES AND ASSOCIATED ELECTRONICS - Aspects of the present invention provide electronics for controlling and synchronizing operation of electro-active lenses regardless of frame type, size or style. The controlling electronics can be contained within one or more electronic modules positioned within the frame temples and can be removable and reprogrammable and can include inductive charge regions. Conductive links between electronic modules and/or between left and right sides of the electro-active spectacles can include left and right upper and lower rim portions of the frame, the bridge, conductive layers of the electro-active lenses, the upper and lower grooves of the electro-active lenses, and/or wires embedded within any portion of the frame. Aspects of the present invention also provide chargers for recharging electro-active spectacles of any size, shape or style using adjustable inductive charging cradles to inductively charge electro-active spectacles of the present invention. | 07-15-2010 |
| 20100245761 | FREE FORM LENS WITH REFRACTIVE INDEX VARIATIONS - This invention provides for an ophthalmic lens with at least one portion of the lens including multiple voxels of polymerized crosslinkable material. In addition, the present invention provides for apparatus for generating an ophthalmic lens with one or more areas of different refractive indexes and a surface with one or both of a raised area and a depressed area. | 09-30-2010 |
| 20110043750 | SEAMLESS BIFOCAL LENS - A seamless bifocal lens comprises a plain glass portion, and a near vision region molded integrally with and protruding from a lower part of the plain glass portion. The near vision region has a central part, a border connected to the plain glass portion and surrounding the central part, and a protruding surface that protrudes gradually from the border to the central part. The protruding surface has a thickness that, increases from the border to the central part. | 02-24-2011 |
| 20110051080 | OPHTHALMIC LENS WITH MULTIPLE PHASE PLATES - An ophthalmic lens for providing a plurality of foci includes an optic having an anterior surface, a posterior surface, and an optical axis. The ophthalmic lens has a first region and a second region. The first region has a first refractive optical power and includes a first base curvature having a finite radius of curvature and a first phase plate having at least one diffraction order with a diffractive optical power. The first region is configured for forming a first focus and a second focus. The second region has a second refractive optical power and includes a second base curvature having a finite second radius of curvature that is different from the first radius of curvature and a second phase plate having at least one diffraction order with a diffractive optical power. The second region is configured for forming a third focus that is between the first focus and the second focus. The ophthalmic lens may be configured so the first focus provides distant vision, the second focus provides near vision, and the third focus provides intermediate vision. | 03-03-2011 |
| 20110102738 | Variable Focus Liquid Filled Lens Apparatus - A variable focus optical apparatus including a rigid, curved, transparent optical component; two transparent, distensible membranes attached to a periphery of the rigid optical component to define two cavities, a first cavity between the rigid optical component and a first membrane and a second cavity between the first membrane and a second membrane; and a variable amount of fluid filling each of the cavities, and a reservoir containing additional fluid and in fluid communication with the cavity, wherein the reservoir is configured to provide injection of fluid into the cavity or withdrawal of fluid out of the cavity in response to a force or an impulse. | 05-05-2011 |
| 20110109875 | DIFFRACTIVE MULTIFOCAL LENS HAVING RADIALLY VARYING LIGHT DISTRIBUTION - The present invention provides improved ophthalmic lenses and methods for their design and use. Monofocal and multifocal diffractive ophthalmic lenses having reduced light scatter and/or improved light energy distribution properties are provided. These properties are provided by the diffractive profiles of the invention, often having subtlely shaped echelettes with appropriately curving profiles. Light scatter may be generated by the sharp corners associated with vertical steps between adjacent conventional diffractive echelettes. Smooth diffractive profiles of the invention reduce light scatter. Light energy directed towards non-viewing diffractive orders may have a unwanted effects on vision quality. Diffractive profiles of the invention may limit the light energy in certain, selected orders, thereby improving viewing quality and mitigating unwanted effects such as dysphotopsia. Diffractive profiles of the invention can also vary the light energy distributed between individual echelettes, providing additional advantages in various viewing situations. | 05-12-2011 |
| 20110176102 | Series of Progressive Ophthalmic Lenses - A series of progressive ophthalmic lenses is proposed, which is indexed by optical power addition values of eyeglasses of spectacles to be made from these lenses. Each lens of the series determines a further gap between a value of the optical power for the near vision direction and a maximum value of the optical power which is obtained for a direction of gaze pointing below said near vision direction. The lenses of the series are adapted for postures of wearers that may vary as a function of the optical power addition values. | 07-21-2011 |
| 20110228216 | BIFOCAL LENS AND BIFOCAL EYEGLASSES - A bifocal lens and bifocal eyeglasses by which strangeness felt during using a near-vision portion is removed, a place according to the purpose of use can clearly be selected, and costs are reduced. The bifocal lens for eyeglasses is constituted of a single material with a uniform refractive index and is provided with a lens for presbyopia ( | 09-22-2011 |
| 20110279772 | Electro-Active Opthalmic Lens Having an Optical Power Blending Region - A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer's refractive error. The viewing correction area provides correction for non-conventional refractive error to provide at least a part of the wearer's vision correction. The lens has a prescription based on a wave front analysis of the wearer's eye and the lens can further be modified to fit within an eyeglass frame. | 11-17-2011 |
| 20110299030 | Bifocal lens and bifocal glasses - Disclosed is a bifocal lens constructed such that the lens is not easily damaged when hit by flying fragments and, moreover, able to obtain a consistent focal length with a simple construction. The lens is equipped with a transparent substrate having transparency and rigidity, a transparent resilient body having transparency and elasticity, a transparent fluid enclosed in the space between the aforementioned transparent substrate and the aforementioned transparent resilient body, and a mechanism that induces changes in the shape of the aforementioned transparent resilient body. Changes are induced in the shape of the transparent resilient body to form the desired shape in the two states of the lens which comprises the transparent fluid enclosed in the space between the transparent substrate and the transparent resilient body, making it possible to obtain the desired characteristics (accurate optical characteristics) in either of the two states. | 12-08-2011 |
| 20110299031 | SYSTEM AND METHOD OF SURFACING A LENS, SUCH AS A LENS FOR USE WITH EYEGLASSES - A system and method of forming surfaces on eyeglass lenses is described. In some examples, the surface is a spherical, cylindrical or spherocylindrical surface at a center of the lens and an aspherical surface at a periphery of the lens. In some examples, forming the surface on the lens reduces the thickness of the lens at the periphery of the lens. | 12-08-2011 |
| 20110317126 | LIMITED ECHELETTE LENS, SYSTEMS AND METHODS - Systems and methods for providing enhanced image quality across a wide and extended range of foci encompass vision treatment techniques and ophthalmic lenses such as contact lenses and intraocular lenses (IOLs). Exemplary IOL optics can include a circular surface structure with limited adjacent echelettes which act as a diffractive or phase shifting profile. | 12-29-2011 |
| 20120086910 | Spectacle Lens, Spectacles, and Method for Manufacturing Spectacle Lens - Spectacle lenses that allow a wearer to view an object in a more comfortable manner include a pair of lenses for the left and right eyes. The power of one of the pair of lenses is shifted toward the positive side with respect to the power of the other lens, and object-side average surface power (base curve) of the one lens is smaller than object-side average surface power (base curve) of the other lens. The power (dioptric power) is principal meridian power along a principal meridian of each of the lenses, and the base curve is in the direction along the principal meridian. | 04-12-2012 |
