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| Number | Title | Issue Date |
| 8172396 | 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... | 05/08/2012 |
| 8157374 | 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 include... | 04/17/2012 |
| 8087778 | Variable focus liquid filled lens mechanism A mechanism allows for changing the optical strength of a liquid-filled lens having a cavity filled with fluid. A reservoir contains additional fluid and is in fluid communication with the cavity, and the mechanism draws fluid from the reservoir into the cavity or p... | 01/03/2012 |
| 8079704 | Multifocal ophthalmic lens A multifocal ophthalmic lens, including: a far zone for correcting a far vision; and a near zone for correcting a near vision, arranged concentrically in an optical region of the lens, wherein a power distribution is set to vary progressively in radial direction of ... | 12/20/2011 |
| 8002405 | Progressive power lens manufacturing method and progressive power lens A method provides for manufacturing progressive-power lenses in a manner in which an inventory burden of semis can be reduced. A progressive-power lens is designed by arranging a progressive-power surface on a convex surface and combining the convex surface with a c... | 08/23/2011 |
| 7997726 | Method for determining a set of progressive multifocal ophthalmic lenses A method for determining by optimization a set of progressive ophthalmic lenses for a given user for whom a near vision power addition (Addn) has been prescribed includes the following steps: measuring the user's near vision individual physiological param... | 08/16/2011 |
| 7984990 | 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 include... | 07/26/2011 |
| 7926941 | Multiple layer multifocal composite lens Aspects of the present invention provide multiple-layer (multi-layer) composite lenses comprising two or more materials and methods for making the same. A multi-layer composite lens of the present invention can use multiple surfaces (internal or external) to form op... | 04/19/2011 |
| 7922326 | 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, an... | 04/12/2011 |
| 7905595 | System and method to treat and prevent loss of visual acuity A system and method for treating and preventing loss of visual acuity. The system comprises a vision correcting lens, such as a contact lens, having a material with a regular pattern of orientation of polarizable molecular bonds, so as to create a birefringent effec... | 03/15/2011 |
| 7828433 | Assymetrical progressive lens Progressive lens for viewing a field of vision having at least a first portion including objects in a first range of distances from a viewer and a second portion including objects in a second range of distances from the viewer, the lens comprising: at least two diff... | 11/09/2010 |
| 7815309 | 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 prepa... | 10/19/2010 |
| 7594726 | Variable focus optical devices Variable focus optical devices, in particular lenses, can include a cavity at least partially defined by a flexible member (2), which may be retained between engaging portions of a frame member (8) and a ring member (12), such that a peripheral ... | 09/29/2009 |
| 7572007 | Apodized diffractive IOL with frustrated diffractive region In one aspect, the present invention provides a diffractive ophthalmic lens (e.g., a diffractive IOL) that includes an optic having an anterior surface and a posterior surface, where the optic provides a far focus. A frustrated diffractive structure comprising a plu... | 08/11/2009 |
| 7553019 | Variable focus spectacles The invention concerns variable focus spectacles in which the electro-wetting effect is utilized to provide a manually or automatically variable focal length. The variable focus spectacles (200) comprise a spectacle frame (210) and at least one variabl... | 06/30/2009 |
| 7517083 | Electro-optic lens with integrated components for varying refractive properties A lens system for dynamically correcting refractive error is disclosed, the lens system comprising: a lens having at least one electro-active element having a refractive property that is alterable, the lens being capable of being shaped to fit a housing without hind... | 04/14/2009 |
| 7475984 | Electro-optic lens with integrated components A system in accord with the present invention includes a first optical lens having a first outer surface, a second outer surface, and an outer perimeter, an electro-active refractive matrix; and a conductor coupled to the electro-active matrix. An alternative system... | 01/13/2009 |
| 7472993 | 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 prepa... | 01/06/2009 |
| 7455404 | Ophthalmic lens with multiple phase plates An ophthalmic lens for providing a plurality of foci has an optic comprising an anterior surface, a posterior surface, and an optical axis. The optic has a first region and a second region. The first region has a refractive optical power and comprises a multifocal p... | 11/25/2008 |
| 7441894 | Pseudo-accommodative IOL having diffractive zones with varying areas In one aspect of the invention, a trifocal ophthalmic lens is disclosed that includes an optic having at least one optical surface, and a plurality of diffractive zones that are disposed on a portion of that surface about an optical axis of the optic. At least two o... | 10/28/2008 |
| 7423801 | Lens with SLM Apparatus for enhancing vision of a user includes a focal modulation device (22), which is adapted to focus light from objects in a field of view of the user onto the retina while alternating between at least first and second focal states that are characteriz... | 09/09/2008 |
| 7399080 | Bi-aspherical type progressive-power lens and method of designing the same To provide a bi-aspherical type progressive-power lens which provides an excellent visual acuity correction for prescription values and a wide effective visual field with less distortion in wearing, by reducing a magnification difference of an image between a distan... | 07/15/2008 |
| 7396126 | Electro-active multi-focal spectacle lens Electro-active multi-focal spectacles are disclosed. The spectacles have a stack of at least two electro-active regions. The electro-active regions produce a plurality of viewing correction zones. The spectacles also have a controller for independently activating th... | 07/08/2008 |
| 7377641 | Multifocal ophthalmic lens A method of designing a multifocal ophthalmic lens with one base focus and at least one additional focus, capable of reducing aberrations of the eye for at least one of the foci after its implantation, comprising the steps of: (i) characterizing at least one corneal... | 05/27/2008 |
| 7377638 | Four zone multifocal lenses The present invention provides multifocal lenses containing at least four zones of different refractive power. The zones are positioned such that the wearer is able to use the inferior-most portion of the lens to more clearly, as compared to conventional multifocal ... | 05/27/2008 |
| 7370962 | Pupil regulated multifocal contact lenses The invention provides a multifocal ophthalmic lens that both corrects for the wearer's refractive prescription and takes into account pupil size of a specific individual or of a population of individuals. The invention provides a lens having an optic zone having a ... | 05/13/2008 |
| 7350919 | Vision modification with reflected image Various embodiments of methods and systems for improving and enhancing vision are disclosed. Adjustable lenses or optical systems may be used to provide adaptive vision modification. In some embodiments, vision modification may be responsive to the current state of ... | 04/01/2008 |
| 7341344 | Progressive power lens A progressive power lens having a positive vertex power in a distance portion is provided. At least a back surface of the progressive power lens is configured as a progressive surface. The progressive power lens satisfies a condition: ... | 03/11/2008 |
| 7338161 | Optical accommodative compensation system The optical system presents accommodation compensation, the system including in combination two multifocal lenses, one of them being an aperture lens and the other a field lens. ... | 03/04/2008 |
| 7290877 | Multi-lens vision correction method and its apparatus The present invention discloses a multi-lens vision correction method and its apparatus that use two lenses to form a lens module as a basic structure, and a lens closer to an eye is a concave lens preferably disposed close to the eye as much as possible for correct... | 11/06/2007 |
| 7290875 | Electro-active spectacles and method of fabricating same A composite lens assembly comprising an electro-active lens assembly, a first lens wafer, and a second lens wafer is provided. The electro-active lens assembly has an upper substrate layer with a planar upper surface and a lower substrate layer with a planar lower s... | 11/06/2007 |
| 7289260 | Multifocal lens Apparatus for enhancing vision of a user includes a focal modulation device (22), which is adapted to focus light from objects in a field of view of the user onto the retina while alternating between at least first and second focal states that are characteriz... | 10/30/2007 |
| 7278735 | Single focus compound lens and mold Disclosed is a single focus compound lens and a mold for manufacturing the single focus compound lens, where the single focus compound lens has a reading far point diopter lens and a reading near point diopter having different diopters that are integrally molded to ... | 10/09/2007 |
| 7270677 | Polarization-sensitive vision prosthesis A vision prosthesis includes a first detector disposed to detect a polarization state of light reflected from a retina, and a controller in communication with the first detector. The controller is configured to receive, from the detector, a measurement signal indica... | 09/18/2007 |
| 7264354 | Method and apparatus for correcting vision using an electro-active phoropter An electro-active phoropter and a method of using the electro-active phoropter to measure a patient's vision prescription is disclosed. The electro-active phoropter includes a series of individually addressable electro-active lenses. The lenses have either a positiv... | 09/04/2007 |
| 7265911 | Zoom lens system having variable power element A multiple group variable focal length lens is provided. The lens has a first lens group including a variable power lens element and is positioned in a stationary manner along an optical axis. The lens also has a second lens group moveably positioned along the optic... | 09/04/2007 |
| 7261412 | Presbyopia correction through negative high-order 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 sphe... | 08/28/2007 |
| 7261736 | Vision prosthesis with artificial muscle actuator A visual prosthesis includes an artificial muscle configured to deform in response to a focusing signal. The artificial muscle is coupled to at least a portion of an optical system for changing a focal point thereof. ... | 08/28/2007 |
| 7261843 | Photochromic optical article Describes a photochromic article, e.g., an ophthalmic photochromic plastic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., a transparent substrate such as a glass or organic polymeric substrate, as for example, a thermoset or ther... | 08/28/2007 |
| 7258437 | Photochromic multifocal optical article Describes a multifocal optical article, e.g., an ophthalmic article such as a lens, in which the article includes (1) a rigid optical substrate, e.g., a transparent polymeric substrate, such as a thermoset or thermoplastic substrate, adapted to possess at least one ... | 08/21/2007 |
