| Patent Number |
Title Of Patent |
Date Issued |
| D438126 |
Protractor |
February 27, 2001 |
|
| 7134752 |
Shaped non-corrective eyewear lenses and methods for providing same |
November 14, 2006 |
| The disclosure relates to shaped ophthalmic lenses and methods for providing such lenses, including non-powered lenses having non-quadratic surfaces of complementary curvature. Such lenses may have a curvature maximum away from an axis of symmetry and a substantially constant wall th |
| 7090349 |
Single vision lenses |
August 15, 2006 |
| Optical lens element with a prescription zone, suitable for use in wraparound or protective type eyewear. The element may also include a peripheral vision zone, with no prismatic jump between the zones. Design methods for the prescription zone include temporally rotating a prescripti |
| 7055954 |
Scratch masking coatings for optical substrates |
June 6, 2006 |
| This invention relates to a reflective coating for a surface of an optical substrate, the reflective coating including a plurality of layers of alternating higher and lower refractive index, the thickness and/or number of the layers selected to cause the reflective coating to be scra |
| 6902271 |
Single vision lenses |
June 7, 2005 |
| Optical lens element with a prescription zone, suitable for use in wraparound or protective type eyewear. The element may also include a peripheral vision zone, with no prismatic jump between the zones. Design methods for the prescription zone include temporally rotating a prescripti |
| 6860600 |
Edge coated ophthalmic lenses |
March 1, 2005 |
| The disclosure relates to the provision of a lens having front and back optical surfaces bound by a peripheral edge, wherein the peripheral edge is coated with an edge coating that strongly bonds to the edge but that only weakly bonds to the optical surface, and wherein the edge coating |
| 6852406 |
Anti-static, anti-reflection coating |
February 8, 2005 |
| An anti-static, anti-reflection, transparent coating for a transpatent substrate, the coating including at least one electrically conductive layer, wherein the sheet resistance of the coating is less than about 10.sup.10 ohm/square. The coating is preferably higher transparent. |
| 6827443 |
Method and system for prescribing and/or dispensing ophthalmic lenses |
December 7, 2004 |
| A system and method for prescribing and/or dispensing ophthalmic lenses for a wearer. The method includes determining at least the wearer's individual visual behavioural patterns in terms of head movement and/or eye movement, processing those patterns with respect to a predetermined rela |
| 6811830 |
Photochromic article and method of preparation |
November 2, 2004 |
| A process for manufacture of a photochromic polymeric article comprising: providing a fluid polymerisable composition; subjecting the fluid polymerisable composition to a first curing step to provide a solid article of intermediate hardness; contacting the solid article of intermedia |
| 6793340 |
Progressive lens |
September 21, 2004 |
| A progressive ophthalmic lens including a far vision zone, a near vision zone and an intermediate vision zone is provided having a relatively high, relatively wide near vision zone and a relatively wide intermediate zone. A surface correction(s) for reducing optical aberrations in periph |
| 6793339 |
Coated sunglass lens |
September 21, 2004 |
| An optical lens including an optically clear lens element; and a light absorbing coating on a surface of the lens that attenuates transmitted light; has a coloured or colourless reflection as seen from the front of the sunglass lens; and is anti-reflective as seen from the eye side of th |
| 6789896 |
Shaped ophthalmic lenses |
September 14, 2004 |
| An optical lens element including a first surface; and a second surface of complementary curvature; at least one surface exhibiting significant deviation in curvature from a standard optical surface; the first and second surfaces in combination defining an optical zone exhibiting |
| 6776480 |
Spectacle frames for shaped lenses defined by monoformal carrier surfaces |
August 17, 2004 |
| Spectacles, frames and methods for providing the same are disclosed. The frames have a shape adapted for engagement of wrap-around lenses having significant changes in base curvature in the field of vision of the wearer. |
| 6768581 |
Coated lens exhibiting substantially balanced reflectance |
July 27, 2004 |
| A coated optical lens includes a lens element and a coating on the surface of the lens element. The coating exhibits a substantially balanced reflectance from the center to a radius proximate the edge of the lens element. The term "substantially balanced reflectance" means that where |
| 6698884 |
Lenses and spectacles bearing lenses |
March 2, 2004 |
| An optical lens element of wrap-around or shield type wherein the aperture of the lens outline or edge of at least one surface of the optical lens element is of generally ovaline shape and located on the surface of a sphere whose radius of curvature corresponds to 11 D or above, a toroid |
| 6682193 |
Wide field spherical lenses and protective eyewear |
January 27, 2004 |
| The present invention relates to novel ophthalmic lens elements and eyewear having wide field of view, low distortion, improved astigmatism correction where required and enhanced eye protection properties. Series of lens elements have steeply curved spherical reference surfaces. The edge |
| 6652096 |
Progressive lens |
November 25, 2003 |
| A series of progressive opthalmatic lens elements, each lens element including a lens surface having an upper viewing zone having a surface power to achieve a refracting power corresponding to distance vision; a lower viewing zone having a greater surface power than the upper viewing |
| 6551710 |
Coating composition |
April 22, 2003 |
| An ultraviolet irradiation curable primer composition for coating optical articles, in which the primer composition comprises: a dithiol or polythiol compound, and an allyl or vinyl monomer. The coating composition can further comprise photochromic dyes and additional polymerizable m |
| 6505930 |
Spectacles frames for shaped lens elements |
January 14, 2003 |
| The disclosure relates to spectacle frames including frames adapted to engage ovaline edges of lens elements having a toroidal or changing base curvature. In a preferred embodiment the frame shape corresponds to the edge of front surfaces of a pair of lens elements having a high curvatur |
| 6454408 |
Shaped ophthalmic lenses |
September 24, 2002 |
| An optical lens element including a first surface; and a second surface of complementary curvature; at least one surface exhibiting significant deviation in curvature from a standard optical surface; the first and second surfaces in combination defining an optical zone exhibiting |
| 6391983 |
Casting composition of aromatic polyvinyl monomer, polythiol and epoxy strain reducer |
May 21, 2002 |
| A crosslinkable polymeric casting composition comprises an aromatic polyvinyl monomer such as divinyl benzene, a polythiol such as pentaerythritol tetrakis-(3-mercaptopropionate), an epoxide strain-reducing agent such as hexanediol diglycidyl ether, and, optionally, a polymerizable c |
| 6364481 |
Lens with surface correction |
April 2, 2002 |
| An optical lens element adapted for mounting in a frame of the wrap-around type, the lens element including a front and back surface capable of providing an optical zone (OZ), and a peripheral temporal zone (HT) which includes a surface correction to improve the overall field of vision o |
| 6361166 |
Single vision lenses |
March 26, 2002 |
| Optical lens element with a prescription zone, suitable for use in wraparound or protective type eyewear. The element may also include a peripheral vision zone, with no prismatic jump between the zones. Design methods for the prescription zone include temporally rotating a prescripti |
| 6343861 |
Myopia lens |
February 5, 2002 |
| A progressive ophthalmic lens element including a lens surface having an upper viewing zone having a surface to achieve a refracting power corresponding to distance vision, a lower viewing zone having a greater surface power than the upper viewing zone to achieve a refracting power c |
| 6334681 |
Lenses and spectacles bearing lenses |
January 1, 2002 |
| An optical lens element of wrap-around or shield type wherein the aperture of the lens outline or edge of east one surface of the optical lens element is of generally ovaline shape and located on the surface of a sphere whose radius of curvature corresponds to 11 D or above, a toroid |
| 6305800 |
Ophthalmic lens |
October 23, 2001 |
| An ophthalmic lens element having a first surface and an atoroidal or generally aspheric second surface. The second surface is described by a symmetric polynomial whose coefficients have been chosen to minimize a merit function constructed of the sum of a particular optical aberration |
| 6260967 |
Progressive lens |
July 17, 2001 |
| 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 astigmatism connecting the upper an |
| 6258218 |
Method and apparatus for vacuum coating plastic parts |
July 10, 2001 |
| A method and apparatus for vacuum coating plastic lens elements employs Meissner traps and a drum work holder configuration for effectively condensing water vapor in the system. |
| 6256152 |
Laminate wafers |
July 3, 2001 |
| 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. |
| 6172140 |
Acrylic thio monomers |
January 9, 2001 |
| A cross-linkable polymeric casting composition includes an effective amount of an acrylic or methacrylic di- or polythiol monomer of the formula (1) wherein p is an integer of 0 or 1, M or M' are each spacer groups selected from one or more of the following formulae (i), (ii) wherein m i |
| 6166158 |
High index/high abbe number composition |
December 26, 2000 |
| A cross-linkable polymeric casting composition including an effective amount ofA: an acrylic or methacrylic monomer which provides high rigidity and low colour dispersion (High Abbe number) to the final product;B: a di- or polythiol compound;C: a di- or polyvinyl monomer; and optionallyD: a |
| 6155681 |
Progressive lens |
December 5, 2000 |
| A progressive ophthalmic lens element including a lens surface having upper viewing zone providing good optical quality at a predetermined low surface power over a large area of vision; said predetermined power being determined by the viewer's distance prescription (R.sub.x) the horizont |
| 5977276 |
High index/high Abbe number composition |
November 2, 1999 |
| A cross-linkable polymeric casting composition including an effective amount ofA: an acrylic or methacrylic monomer which provides high rigidity and low colour dispersion (High Abbe number) to the final product;B: a di- or polythio compound;C: a di- or polyvinyl monomer; and optionallyD: a p |
| 5959761 |
Incorporating photochromic molecules in light transmissible articles |
September 28, 1999 |
| A light-transmissible article formed from a polymeric material, which article includes at least one photochromic dye; and a compatible light absorbing material distributed on or within the article; the combination of photochromic dye and compatible light absorbing material is such that |
| 5883169 |
Lens wafers with removable coating |
March 16, 1999 |
| Disclosed is a lens wafer suitable for use in preparing a laminated lens which wafer has a coating on at least one surface thereof in the form of a peelable protective film. |
| 5882556 |
Method of preparing photochromic article |
March 16, 1999 |
| A process for preparing a cross-linked polymeric article, which process includes: providing a cross-linkable polymeric casting composition; and a photochromic composition; subjecting the cross-linkable polymeric casting composition to partial cure, such that the polymer reaches or exceed |
| 5512344 |
Ophthalmic lens manufacture |
April 30, 1996 |
| A button for forming a segment of a multifocal lens the button comprising a first portion composed of a lead oxide-containing glass, a second portion composed of a glass which contains substantially no lead oxide, the first and second portions being adjacent and forming a face of button |
| 5502139 |
Cross-linkable polymeric composition |
March 26, 1996 |
| A cross-linkable polymeric casting composition includinga fluorene diacrylate or dimethacrylate monomer; anda comonomer including a polymerisable double bond. |
| 4912185 |
Cross-linkable casting compositions |
March 27, 1990 |
| A cross-linkable polymeric casting composition including at least polyoxyalkylene glycol diacrylate or dimethacrylate and at least one polyfunctional unsaturated cross-linking agent. The casting composition may be utilized in the manufacture of plastic optical articles such as video |
| 4838675 |
Method for improving progressive lens designs and resulting article |
June 13, 1989 |
| A method for optimizing the performance of an ophthalmic progressive lens having a distance viewing zone, a near viewing zone, and an intermediate zone, and the resulting optimized lens are provided. The surface of the lens to be optimized, which has at least one quantitative performance |
| 4676610 |
Method of making progressive lens surface and resulting article |
June 30, 1987 |
| The disclosure relates to progressive power or multifocal ophthalmic lens and methods and formers for making such lens. The optical power of such lens varies gradually from a near viewing zone to a distance viewing zone. Selected mathematical functions are progenitive of the lens and for |
