Patents for G02C 7 - Optical parts (23,437)
08/1993
08/25/1993EP0556646A1 Composite ophthalmic lenses and their manufacture
08/25/1993CN2141090Y Multi-purpose reading glasses
08/24/1993US5239321 Eyelash supported correcting lens
08/24/1993US5238981 Photochromic naphthopyrans
08/24/1993US5238738 Interference stack tuned to predetermined design wavelength; varing refractive indices
08/24/1993US5238388 Ophthalmic lens mold seal
08/19/1993CA2089062A1 Ocular lens material
08/18/1993EP0555295A1 Contact lens material.
08/18/1993CN2140534Y Safety glasses for night walking
08/18/1993CN2140533Y Infrared full automatic liquid crystal goggles
08/18/1993CN1021851C Multifocal optical device with novel phase zone plate
08/18/1993CA2084219A1 Composite ophthalmic lenses and their manufacture
08/11/1993EP0554371A1 Protective eyewear for use in sports and the like.
08/11/1993CN2140070Y Fore-and-aft safety glasses
08/10/1993US5235441 Holographic lenses
08/10/1993US5235359 Progressive opthalmic lenses and method of facilitating their manufacture
08/10/1993US5235358 Light filter for improving vision
08/10/1993US5235357 Spectacle lenses having an inside-out conicoidal front surface and method for forming same
08/05/1993WO1993015432A1 Variable focus visual power correction apparatus
08/05/1993WO1993015429A1 Laminated beam splitting optical system with reflective medium
08/05/1993DE4302526A1 Relatively thin lens with negative refractive power for use in spectacles - has aspherical surface which is rotationally symmetrical and visibly convex
08/04/1993EP0553959A1 Clear axis, segmented multifocal ophthalmic lens
08/04/1993EP0553161A1 Abrasion wear resistant polymeric substrate product
08/04/1993EP0546089A4 Contact lens purification system
08/04/1993EP0537290A4 Intraocular lens and method for making same
08/03/1993US5232637 Ophthalmic lens method
07/1993
07/28/1993EP0552498A1 Ophthalmic lens method
07/27/1993CA1320656C Tintable coatings for glass ophthalmic lenses
07/22/1993WO1993014435A1 Liquid crystal lens circuit
07/22/1993WO1993014434A1 Contact lens
07/22/1993CA2084249A1 Ophthalmic lens method
07/21/1993EP0551781A1 Goggle type image display apparatus
07/21/1993CN1074457A Novel UV curable crosselinking agents useful in copolymerization
07/21/1993CN1074450A Wettable silicone hydrogel compositions and methods for their manufacture
07/20/1993US5229888 Reflection aid
07/20/1993US5229885 Infinitely variable focal power lens units precisely matched to varying distances by radar and electronics
07/20/1993US5229797 Multifocal diffractive ophthalmic lenses
07/14/1993EP0457855A4 Method for forming plastic optical quality spectacle
07/14/1993CN2138305Y Spectacle for stereo video picture
07/07/1993EP0550384A1 Ante-glare device
07/07/1993EP0549610A1 Copolymerization process and optical copolymer produced therefrom.
07/06/1993US5225858 Multifocal ophthalmic lens
06/1993
06/30/1993EP0549391A1 Ophthalmic lenses based on polyurethanes derived from polythiols
06/30/1993CN2137369Y Thin gap spectacles
06/30/1993CN2137368Y Calming and health-care glasses
06/30/1993CN1021447C Method of forming shaped hydrogel articles including contact lenses
06/29/1993US5223862 Resin curing agent selected from aromatic anhydrides, aromatic diamines, thioamides and thioamines; refractive index of at least 1.56
06/29/1993CA1319549C Method of making hydrogel contact lenses having aspheric front surfaces
06/24/1993WO1993012452A1 Spectacle lenses having an inside-out conicoidal front surface
06/23/1993CN2136991Y Special glasses for angling, navigating and mountaineering
06/17/1993DE4141364A1 Diving mask with correction lens - has water filled layer in front of correction lens for non distorted vision above water
06/16/1993EP0546089A1 Contact lens purification system.
06/16/1993CN1073266A Correcting method and correcting glasses for colour sense abnormal
06/15/1993US5220359 Lens design method and resulting aspheric lens
06/15/1993US5220358 Glass layer bonded to plastic layer through flexible adhesive; room temperature curable; cross-linked polydimethylsiloxane
06/15/1993US5219965 Adding polymerizable surfactant to monomer mixture; contact lenses
06/15/1993US5219497 Method for manufacturing lenses using thin coatings
06/09/1993EP0545720A1 Improved ophthalmic lens mold seal
06/09/1993EP0545615A1 Polymer bifocal lens production process
06/09/1993DE4121234A1 High-refracting, aspherical lenticular glass for spectacles - is thin with flat outer curve with no disturbing alterations of refractive force.
06/09/1993CN2135789Y Physical therapy glasses
06/09/1993CN2135788Y Backsight glasses
06/08/1993US5218386 Eyeglasses with spectral color shift
06/08/1993CA1318801C Anti-glare eyeglasses
06/08/1993CA1318800C Multifocal diffractive lens
06/08/1993CA1318799C Multifocals using phase shifting steps
06/08/1993CA1318755C Process for producing cyanopsia-correctable lens
06/08/1993CA1318754C Surface modified optical lens and method of surface modification
06/02/1993CN1072696A Wettable silicone hydrogel compositions and methods for their manufacture
06/01/1993CA1318529C Contact lens for correction of color blindness
06/01/1993CA1318493C Method of making multi-focus ophthalmic lens
05/1993
05/27/1993WO1993010112A1 Photochromic naphthopyran compounds
05/26/1993CN2134667Y Health-care glasses with pinhole
05/26/1993CN2134666Y Health-care glasses for facilitating adaptation of the eyes to the dark
05/26/1993CN1020965C Contact lenses for animals and method of fabrication
05/26/1993CN1020964C Low vision eye glasses
05/25/1993US5214453 Progressive eccentricity multifocal contact lens and manufacturing process thereof
05/25/1993US5213801 Contact lens material
05/25/1993US5213760 Overworn lens signaling methodology
05/25/1993CA1318446C Contact lenses and materials and methods of making same
05/19/1993EP0542686A1 Method and container for sterilizing or disinfecting
05/19/1993CN2133853Y Orifice glasses
05/19/1993CN2133852Y Wireless double-action goggles for welding
05/19/1993CN2133851Y Double-focus glasses for preventing and curing myopia
05/18/1993CA1317802C Method for measuring the rotation of an assymetric contact lens
05/14/1993CA2082554A1 Method and container for sterilizing or disinfecting
05/13/1993WO1993009464A1 Teledioptric system
05/13/1993WO1993009155A1 Wettable silicone hydrogel compositions and methods for their manufacture
05/13/1993WO1993009154A1 Wettable silicone hydrogel compositions and methods for their manufacture
05/13/1993WO1993009151A1 Polymerizable organic resin compositions and articles prepared therefrom
05/13/1993WO1993009084A1 Novel uv curable crosslinking agents useful in copolymerization
05/13/1993DE4238067A1 Multi-focal spectacle lens - has progressive transition from region for distant vision to region for near vision
05/13/1993DE4136896A1 Spectacles for use when aiming gun - incorporate mirrors attached to frame with one mirror being partly transparent
05/13/1993CA2122454A1 Teledioptric system
05/12/1993WO1993023774A1 Surface wettable silicone hydrogels
05/12/1993EP0540690A1 Photochromic chromene compounds.
05/12/1993CN2133003Y Glasses with narrow aperture
05/12/1993CN1071877A Method and apparatus for molding lenses
05/12/1993CN1020571C Antiglare equipment
05/11/1993US5210553 Progressive ophthalmic lens with positive distance power