Patents
Sitemap › G02 - Optics › G02C - Spectacles; Sunglasses or goggles insofar as they have the same features as spectacles; Contact lenses › G02C 7 - Optical parts
Patents for G02C 7 - Optical parts (23,437)
12/1981
12/08/1981US4304894 Quaternary ammonium terpolymers
12/08/1981CA1113756A1 Eye protective device, particularly for welding and cutting work
12/08/1981CA1113755A1 Resin ophthalmic lenses having a prismatic segment
12/02/1981EP0040603A1 Optical filtering element.
12/01/1981US4303701 Method of marking plastic lenses
11/1981
11/24/1981US4302081 Fused bifocal contact lens
11/24/1981CA1112821A1 Contact lens casting method
11/17/1981US4300821 Photochromic ophthalmic lens of organic materials
11/17/1981US4300819 Eyeglasses for aiding color blind viewers
11/17/1981US4300818 Multifocal ophthalmic lens
11/12/1981WO1981003119A1 Temporary optical correcting device allowing the choice of naked rims
11/11/1981EP0039544A2 Progressive multi-focal lenses
11/11/1981EP0039498A2 Spectacle glass with astigmatism effect
11/11/1981EP0039497A2 Multifocal spectacle glass with progressive power fields
11/10/1981US4298991 Peripheral view blinders
11/04/1981EP0039284A1 Progressive ophthalmic lens
11/03/1981US4298254 Device for rear view vision for spectacles
10/1981
10/27/1981CA1111424A1 Photochromic compounds
10/27/1981CA1111294A1 Toric hydrogel contact lens
10/20/1981CA1111185A1 Silicone resin optical devices
10/20/1981CA1110812A1 Flexible contact lens moulding apparatus
10/01/1981WO1981002795A1 Spectacle lens having continuously variable controlled density and fast response time
09/1981
09/29/1981US4292030 Teaching device for progressive power lenses
09/22/1981US4290673 Ski goggles
09/16/1981EP0035849A2 Eyepiece for protective devices
09/15/1981US4289497 Gradient photochromic lens and method selectively reducing photochromic activity
09/15/1981US4289387 Ophthalmic spectacle lenses having a hyperbolic surface
09/09/1981EP0035310A1 Method of manufacturing contact lenses by moulding, and lenses obtained
09/09/1981EP0035309A1 Method of manufacturing contact lenses by moulding, and lenses obtained
09/09/1981EP0035080A1 Shaped biomedical articles formed from polysiloxane polymers
09/08/1981US4288149 Resin ophthalmic lenses having a prismatic segment
09/08/1981CA1108448A1 Contact lenses
09/02/1981EP0034939A2 Extraocular contact lens assembly and method of making it
09/01/1981US4286957 Heating
08/1981
08/25/1981US4285738 A hypertonic solution of urea or an acid salt of guanidine, a sulfur-containing reducing agent, and a proteolytic enzyme; synergistic
08/25/1981US4285072 Anterior-posterior intraocular lens
08/25/1981CA1107896A1 Material for fabrication of artificial intraocular lenses and hard contact lenses
08/19/1981EP0033754A1 Process for the hydrophilisation of silicon rubber contact lenses
08/18/1981US4284686 Photochromic
08/18/1981CA1107233A1 Glass coated polysiloxane contact lens
08/11/1981US4283139 Instrument for optically measuring soft contact lens parameters
08/11/1981CA1106803A1 Lens holder
08/11/1981CA1106664A1 Method and apparatus adapted for automatic or semi- automatic fabrication of ultra-precision ophthalmic lenses, e.g., contact lenses
08/05/1981EP0033141A2 Soft contact lens
07/1981
07/29/1981EP0032517A1 Contact lens and method of making it
07/28/1981US4280759 Permeable wettable contact lens
07/28/1981CA1105784A1 Abrasion-resistant lenses and process of making
07/28/1981CA1105760A1 Preparation of photochromic silver halide gradient lenses of cosmetically improved colour containing cobalt (ii) oxide
07/21/1981US4279480 Ophthalmic lens having an aspheric surface
07/21/1981US4279474 Spectacle lens having continuously variable controlled density and fast response time
07/21/1981CA1105300A1 Cast contact lenses, apparatus and method for making same
07/08/1981EP0031633A2 Method of marking a lens of plastics material
07/07/1981US4277595 Water absorbing contact lenses made from polysiloxane/acrylic acid polymer
07/01/1981EP0031278A1 Optical interference filter for the protection against infrared radiations, and its application
06/1981
06/30/1981US4276402 Oxygen-permeable, soft, flexible, hydrophilic, nonhydrolyzing, tough
06/24/1981EP0030807A1 Shaped biomedical articles made of polysiloxane polymers
06/24/1981EP0030577A1 Method for marking an optical element
06/23/1981US4274717 Ophthalmic progressive power lens and method of making same
06/23/1981CA1103443A1 Colorless polycarbonate articles
06/16/1981US4274128 Friction hinged headlamp or the like
06/16/1981CA1103075A1 Aspheric lens series
06/09/1981US4271538 Safety spectacles
06/02/1981CA1102485A1 Silicone-containing hard contact lens materials
06/02/1981CA1102484A1 Polysiloxane composition and contact lens
05/1981
05/26/1981US4270039 Heating unit with indicator for disinfecting soft lenses, or the like
05/26/1981US4269487 Spectacle lens insert for aphakic refraction
05/26/1981CA1101754A1 Detergent composition comprising synergistic hydrotrope mixture of two classes of organic phosphate esters
05/20/1981EP0028974A1 Method of making a composite glass, and composite glass, especially ophthalmic lens, so obtained
05/19/1981US4268134 Lightweight laminated photochromic lenses
05/19/1981US4268133 Preferential orientation of contact lenses
05/19/1981US4268132 Photoelectrolysis, semiconductors
05/19/1981US4268131 Fiber collagen contact lens
04/1981
04/28/1981US4264155 Collagen contact lens
04/28/1981CA1099885A1 Method of cleaning contact lenses
04/22/1981EP0027339A2 Progressive power ophthalmic lenses
04/22/1981EP0027221A1 Contact lenses made from methyl methacrylate copolymers
04/21/1981CA1099561A1 Method for marking intraocular lenses using a mask of opaques forming the configuration of coding characters
04/21/1981CA1099546A1 Contact lens
04/14/1981US4261875 Addition-condensation copolymers with an acrylic ester or vinyl pyrrolidone
04/14/1981US4261655 Biomechanically focused eyeglasses
04/07/1981US4260725 Hydrophilic contact lens made from polysiloxanes which are thermally bonded to polymerizable groups and which contain hydrophilic sidechains
03/1981
03/31/1981US4259467 Hydrolytically stable, biologically inert, transparent
03/31/1981US4259406 Surface coloration and subsequent selective colored surface layer removal
03/31/1981US4259202 Monoester of saccharose with fatty acid
03/31/1981US4258653 Apparatus for preparing a gradient dyed sheet
03/31/1981CA1098635A1 Industrial production of cast plastic lenses
03/31/1981CA1098268A1 Method and apparatus for molding optical plastic lenses of the standard and bifocal type
03/24/1981US4257692 Method of marking ophthalmic lenses of organic material and lenses so marked
03/24/1981CA1097965A1 Glass lens with ion-exchanged antireflection coating and process for manufacture thereof
03/24/1981CA1097958A1 Ocular membrane and method for preparation thereof
03/24/1981CA1097859A1 Surface-treated soft contact lenses
03/19/1981WO1981000769A1 Optical filtering element
03/17/1981US4256386 Underwater vision device
03/17/1981US4256369 Toric hydrogel contact lens
03/05/1981WO1981000536A1 Ophthalmic lens blank with protective coating
03/03/1981US4254248 End capped polysiloxane or monomer copolymer
03/03/1981US4253747 Method of preparing a refractive surface of a progressively variable focal power ophthalmic lens
03/03/1981US4253746 Process for forming a multifocal lens and lens formed thereby
03/03/1981US4253745 Anti-dazzle devices
02/1981
02/24/1981US4252421 Contact lenses with a colored central area
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