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| Number | Title | Issue Date |
| 7841715 | Variable focus lens system for eyeglasses A variable focus lens system that can be used in eyeglasses is disclosed. The system consists of superimposed first and second transparent thin lenses with surfaces divided into Fresnel zones and zone boundaries. The lenses are relatively slidable for focus adjustme... | 11/30/2010 |
| 7377639 | Laminated functional wafer for plastic optical elements A functional wafer of the present invention is disclosed to solve manufacturing difficulties involved in the production of optical elements such as polycarbonate ophthalmic lenses. The functional wafer may include a front layer, a functional layer, and a back layer,... | 05/27/2008 |
| 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 |
| 7325922 | Adjustable focus eyeglasses Adjustable focus eyeglasses with two lens units, each lens unit having two lens elements. The eyeglasses are focused by adjusting the position of at least one of the two lens elements relative to the other in a direction generally perpendicular to a viewing directio... | 02/05/2008 |
| 7322694 | Hybrid contact lens system and method A hybrid contact lens comprises a central zone comprising a substantially rigid, gas permeable material having a DK of at least 30, a relatively soft peripheral zone and an intermediate zone comprising a film or coating that is created around the central zone, and t... | 01/29/2008 |
| 7311399 | Method of making a thermoplastic-based article and a thermoplastic-based article made thereby An article, such as a lens article (10, 10′, 10″, 100) containing a first component, e.g., a filter (14, 14′), or component thereof, having a minimum degradation temperature, and a second component, e.g., a substrate (22, 22′), comprisin... | 12/25/2007 |
| 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 |
| 7232217 | Prescription lenses and method of making A lens unit with at least two lens elements. The first of the two lens elements has two surfaces providing a special varying lens thickness as a function of position across the lens surfaces, and the second of the two lens elements has two surfaces providing a varyi... | 06/19/2007 |
| 7232219 | Viewing apparatus for simulating impairment The present invention provides a viewing apparatus for simulating visual impairment. In one embodiment, the apparatus includes a frame defining a viewing area and first and second lenses supported by the frame. The first lens is disposed in a first region of the vie... | 06/19/2007 |
| 7192133 | Pair of sunglasses with farsighted lenses A pair of sunglasses with farsighted lenses includes a main body having a frame surrounding two separate areas. Each of the areas is occupied by a sunlight glass having an opening cut at its lower and inner part. The opening is to be filled with a farsighted lens pr... | 03/20/2007 |
| 7190986 | Non-adhesive oximeter sensor for sensitive skin The present invention provides non-adhesive oximeter sensors for patients with sensitive skin. Sensors of the present invention include a light emitting diode (LED) and a photodetector. The LED and the photodetector may be covered by a reflective mask and a faraday ... | 03/13/2007 |
| 7083277 | Pair of spectacle lenses A pair of spectacle lenses in which one spectacle lens is designed for distance vision or near vision, and the second spectacle lens is designed for another object distance. ... | 08/01/2006 |
| 7077985 | Injection molding of lens A flat or curved photochromic laminate structure and a plastic photochromic lens blank can be produced in a simple and efficient manner from relatively low-cost polymeric sheet materials. These laminates can be used to provide goggles, face shields, windows, window ... | 07/18/2006 |
| 7059718 | Eyewear having a magnified wide field of view The present invention generally encompasses eyewear having a clear, magnified, wide field of view. The eyewear comprises dual lens elements that have steeply curved front surfaces and that are specifically oriented about the head of the wearer. The lens elements hav... | 06/13/2006 |
| 7048997 | Production of optical elements A method of making an optical element that includes a thermoplastic power portion, the method including laminating a first thermoplastic sheet to one side of a functional film, laminating a second thermoplastic sheet to a second side of the functional film, and affi... | 05/23/2006 |
| 7036929 | Method and device for the application and removal of disposable corrective optical film to an eyeglass lens An apparatus and method for applying and removing a disposable optical film 12 to and from an eyeglass lens 16. The disposable optical film 12 of the present invention 10 has an adhesive element 30 on one side for the removable att... | 05/02/2006 |
| 7021762 | Multifocal spectacle lens There is provided a multifocal spectacle lens having a front surface and a back surface each of the front surface and the back surface is formed as a multifocal surface or a progressive-power surface, distributions of surface power of the front surface and the back ... | 04/04/2006 |
| 6976757 | Invisible multifocal sunglasses Invisible bifocal sunglasses. The sunglasses include a hard mirror coating to disguise the different focal powers of the sunglasses. The bifocal sunglasses also include a bifocal region that is molded within the main lens blank of the sunglasses. ... | 12/20/2005 |
| 6932473 | Invisible multifocal lens Invisible bifocal sunglasses. The sunglasses include a hard mirror coating to disguise the different focal powers of the sunglasses. The bifocal sunglasses also include a bifocal region that is molded within the main lens blank of the sunglasses. ... | 08/23/2005 |
| 6910769 | Bifocal spectacles for computer users and display device therefor A polyvinyl display device for bifocal computer/reading spectacles. The display device enables a person to identify a pair of spectacles having the correct optical center to match the wearer's pupillary separation. The present invention includes, in combination, a p... | 06/28/2005 |
| 6715876 | Lens arrangement with fluid cell and prescriptive element A lens arrangement has a corrective or prescription lens. The prescription lens is adjacent to a fluid cell. The fluid cell has a flexible membrane and a base. Fluid is pumped into or out of the fluid cell in order to vary the corrective power of the entire lens arr... | 04/06/2004 |
| 6709104 | Eyeglasses and method of making same for the treatment of low-vision Eyeglasses for the treatment of low-vision and macular degeneration include a frame for supporting lenses on an occipital dexter side and an occipital sinister side. An occipital dexter lens has a near portion and a distance portion. The near portion has a dioptric ... | 03/23/2004 |
| 6478422 | Single bifocal custom shooters glasses The present invention includes a pair of glasses to be worn by a shooter using a scoped rifle or pistol where correction is needed by the shooter in order to obtain a clear site picture in the viewing end of the scope. The right lens for a right handed sh... | 11/12/2002 |
| 6322215 | Non-progressive trifocal ophthalmic lens This invention relates to a novel, non-progressive trifocal ophthalmic lens comprising distance-vision, near-vision and intermediate-vision optic fields. The non-progressive element of the trifocal lens is achieved by blending the transition zones between... | 11/27/2001 |
| 6288846 | Variable focal-length lens assembly Switchable optical devices are made of transparent optical elements having surfaces separated by small distances, typically less than a few hundred micrometers. The transparent elements contain roughness, kinoforms, Fresnel-lens, or other relief structure... | 09/11/2001 |
| 6260967 | Progressive lens A progressive ophthalmic lens element having a front surface that includes an upper viewing zone having a surface power suitable for distance vision, a lower viewing zone having a surface power suitable for near vision, and a corridor of relatively low as... | 07/17/2001 |
| 6256152 | Laminate wafers A laminate optical article including a first outer layer; a second outer layer; and an inner layer positioned between said first and second outer layers, the inner layer providing a desirable optical property to the laminate optical article.... | 07/03/2001 |
| 6242065 | Lens blanks for ophthalmic elements A polymeric front optical element blank is provided which may be laminated to a rear optical element blank. The polymeric front blank comprises an optical element having an exterior convex surface and an interior concave surface, with an edge between the ... | 06/05/2001 |
| 6196684 | High refractive index glasses, multifocal corrective lenses containing same The present invention relates to glasses of high refractive index having the following composition of oxides, expressed in percentages by weight: SiO2 27-36 B2 O3 0-9 ... | 03/06/2001 |
| 6170952 | Adherent corrective lenses and eyeglasses embodying the same The present invention is directed to a magnifying and/or corrective lens or optical element that may be removably adhered to a plano lens, such as the pane of a of a pair of spectacles or sunglasses, without the use of a mechanical retention device or oth... | 01/09/2001 |
| 6120148 | Diffractive lens A multifocal diffractive lens includes at least two annular zone lenses. Provided between adjacent annular zone lenses is an optical step. Each annular zone lens exhibits a refractive power profile Dg,i (r) wherein i is any i-th annular zone le... | 09/19/2000 |
| 6086203 | Progressive addition lenses The invention provides progressive addition lenses in which lens unwanted astigmatism is reduced and channel width through the intermediate and near vision zones is increased as compared to conventional progressive addition lenses. This result is achieved... | 07/11/2000 |
| 6046123 | Glasses with a high refractive index and their use as segments of multifocal corrective lenses The invention concerns glasses characterized by the fact that they have a refractive index higher than 1.740; a dilatation coefficient , between 25 and 300° C., between 65 and 70×10-7 /°C.; and a Littleton point not exceeding 635° C.... | 04/04/2000 |
| 6042229 | Detachable portion for a hard contact lens and hard contact lens composite employing the same A weight for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard contact lens, formed along the inner periphery of the weigh... | 03/28/2000 |
| 6015213 | Ring for a hard contact lens and hard contact lens composite employing such a ring A ring for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard contact lens, formed along the inner periphery of the ring.... | 01/18/2000 |
| 5907386 | Method of manufacturing a progressive optic A progressive optic has an optical preform wherein the radius of curvature of the surface is altered by forming discrete spherical portions across the surface. A thin intermediate layer, having a different refractive index from the optical preform, is the... | 05/25/1999 |
| 5861934 | Refractive index gradient lens An optical product such as an optical lens, or semi-finished lens blank is provided comprising a composite of at least three different and separately applied layers, each layer having a different refractive index which allow for a progressive multifocal l... | 01/19/1999 |
| 5808721 | Ophthalmic lens wafers and receiver for registering such wafers Ophthalmic lens wafers for forming a composite lens are provided wherein each front lens wafer has a front registration pattern formed on its peripheral edge, and each back lens wafer has a back registration pattern formed on its peripheral edge which is ... | 09/15/1998 |
| 5793467 | Semi-permanent reading lenses for sunglasses A plastic reading lens using a microstructure to provide reading correction can be semi-permanently attached to a non-prescription sunglass using a water-soluble adhesive. The lens may be removed from the sunglass using an adhesive remover which is non-da... | 08/11/1998 |
| 5644374 | Variable focus type eyesight correcting apparatus A variable focus type eyesight correcting apparatus in which a plurality of optical lenses are superimposed on each other and in which a refracting power is changed by relatively sliding the lenses in the direction of the superimposed surfaces, achieves a... | 07/01/1997 |
