Patents for G02C 7 - Optical parts (23,437)
03/1990
03/21/1990EP0358733A1 Teledioptric lens system.
03/21/1990CN1040685A Multifocal optical device with novel phase zone plate
03/21/1990CN1040542A Novel colored lens and method of manufacture
03/20/1990US4910277 Blend of polysiloxane and an interior wetting agent
03/20/1990US4909896 Process for producing contact lens
03/20/1990US4909818 Mounting a lens with concave surface; radiation with ultraviolet light
03/20/1990US4909621 Method of making hydrogel contact lenses having aspheric front surfaces
03/14/1990EP0357848A1 Low vision eye glasses
03/08/1990WO1990002144A1 Compositions for making improved gas permeable contact lenses
03/07/1990EP0357062A2 A process for manufacturing colored contact lenses
03/06/1990US4906090 Spectacle lens for half-eye spectacles
02/1990
02/28/1990EP0356355A1 Ophthalmic liquid for sun glasses
02/28/1990EP0356204A2 Laminated lens
02/28/1990EP0355672A2 Filter for protection against the sun
02/28/1990EP0355230A2 Method of producing a multifocal diffractive optical element
02/27/1990US4904708 Method of manufacturing soft contact lens material
02/21/1990CN2053349U 多功能眼镜 Multifunctional glasses
02/21/1990CN2053348U Tryout appliance for cryptomorphic glasses
02/21/1990CN1006845B Method and composition for simultaneous cleaning and disinfecting of contact lenses
02/20/1990US4903052 Method of making an improved dyed color change contact lens
02/14/1990EP0354786A2 Multifocal diffractive lens
02/13/1990US4900764 Hydrophilic materials
02/13/1990CA1265688A1 Bi-focal corneal lens and method of making the same
02/07/1990CN2052544U Stereo glasses to watch tv
02/07/1990CN1039487A Multifocal optical device
02/06/1990US4898695 Impregnating pores with vat dye during polymerization
02/06/1990US4898461 Multifocal ophthalmic lens
02/06/1990US4898459 Reading spectacles
02/05/1990EP0277969A4 In situ base curve vertex detection and employment thereof in contact lens manufacture.
02/05/1990EP0231174A4 Contact lens.
01/1990
01/31/1990EP0232250B1 Methods and solution for desinfecting and preserving contact lenses
01/31/1990EP0101504B1 Method of pigmenting water-absorbable plastic and product therefrom
01/31/1990CN1039308A Pseudo stereoscopic glasses
01/30/1990US4896958 Flexible contact lens for enhanced movement on the eye
01/30/1990US4896956 Spectacles with single pivot folded rear vision elements
01/24/1990EP0352134A2 Novel colored lens and method of manufacture
01/24/1990EP0351471A2 Multifocal diffractive optical device
01/24/1990CN2051747U Stereo-glasses for watching tv and film
01/23/1990US4895896 Contact lens having improved eye compatibility
01/23/1990US4895676 Bendazac or 5-hydroxy derivative
01/23/1990US4895439 Aspheric spectacle lens
01/23/1990CA1264579A1 Universal vision corrector
01/17/1990EP0351364A2 Dimethylacrylamide-copolymer hydrogels with high oxygen permeability
01/17/1990EP0350685A2 Moulded blank for optical contacting articles
01/17/1990EP0225350B1 Contact lens
01/17/1990CN2051106U Hydrophilicity soft keratoscope with hole
01/16/1990US4893918 Hydrophilic swellable transparent surface
01/11/1990DE3823366A1 Spectacles
01/10/1990EP0350247A1 Glass ophthalmic lenses with tintable coatings
01/10/1990CN2050984U Health glasses for plateau area use
01/10/1990CN1038705A Surgical debridement glasses
01/09/1990US4892403 Composite plastic lens and method of making the same
01/09/1990US4892402 Method for making contact lens hydrophilic
01/09/1990US4892384 Binocular magnifier
01/09/1990CA1264245A1 Eyeglass lens modules and method
01/03/1990EP0348462A1 Surface modified optical lens and method of surface modification
01/03/1990EP0231226B1 Reflection-reducing coating for an optical element made of organic material
01/02/1990US4890913 Zoned multi-focal contact lens
01/02/1990US4890912 Trifocal eye-contact lens
01/02/1990US4890911 Contact lens and the method of manufacturing thereof
01/02/1990US4890910 Optical accessory for spectacles
01/02/1990US4890903 Suspension system for a flexible optical membrane
12/1989
12/28/1989WO1989012841A1 Spectacles lens with variable refractive index
12/28/1989WO1989012839A1 Photochromic polymer membrane
12/28/1989DE3821079A1 Spectacle lens having a variable refractive index
12/27/1989EP0347917A1 Ophthalmic lens with a gradient refractive index
12/27/1989CN2050179U Stereoscopic lantern slide and large-scale stereoscopic photograph glasses
12/27/1989CN2050175U Colour sound light glasses
12/26/1989US4889664 Molding hydrophilic (meth)acrylate ester and water displacable boric acid ester diluent
12/26/1989US4889421 Contact lens with cosmetic pattern
12/20/1989EP0347043A2 Contact lenses and means and methods of producing same
12/20/1989EP0192683B1 Lens composition, article and method of manufacture
12/20/1989CN2049781U Colour tv stereo-imaging glasses
12/20/1989CN2049780U Myopia preventing glasses for reading
12/19/1989US4888012 Intraocular lens assemblies
12/14/1989WO1989012246A1 Method for measuring the rotation of an asymmetric contact lens
12/14/1989DE3909131A1 Sunshield
12/13/1989EP0346032A1 Contact lens and methods for determining rotation using such contact lens
12/13/1989EP0345994A2 Contact lenses and materials and methods of making same
12/13/1989EP0345794A2 Hydrophilic transparent crosslinked copolymers and method for their preparation
12/13/1989EP0345631A2 Blocking shim and method for prescription-laboratory processing of aspheric progressive-addition lenses
12/12/1989US4886350 Perforated soft contact lens and a method for manufacturing thereof
12/12/1989US4886340 Optical device for precision work
12/07/1989DE3817850A1 Method for minimising the weight of spectacle lenses
12/06/1989CN2048982U Ultrathin optical lens
11/1989
11/30/1989WO1989011673A1 Dimmer lens, dimmer glasses and sun glasses and production of dimmer lens
11/30/1989WO1989011672A1 A progressive eccentricity multifocal contact lens and manufacturing process thereof
11/30/1989DE3817334A1 Contact lens
11/29/1989EP0344073A1 Multifocal contact lens
11/29/1989EP0343996A2 Ultraviolet absorbing hydrogels
11/28/1989US4883548 Multilayer lenses for eyeglasses
11/28/1989US4883350 Contact lens providing a central spherical region bounded by a circumscribing aspherical region
11/23/1989EP0343067A1 Diffractive lens with a composite profile
11/23/1989EP0342895A2 Ophthalmic lens
11/22/1989CN2048195U Micropole glasses
11/21/1989US4882438 Photochromatic compounds
11/21/1989US4882403 Non-hydrous soft contact lens and process for producing the same
11/21/1989US4881805 Progressive intensity phase bifocal
11/21/1989US4881804 Multifocal phase plate with a pure refractive portion
11/21/1989CA1263013A1 Method for manufacturing a spectacle-glass for myopes