FIELD: ophthalmology. SUBSTANCE: COLORED contact lens based on acryl copolymer comprises polymer composition applied onto lens region corresponding to eye iris. Polymer composition comprises vinyl copolymer and dye staff. Polymer composition comprises, as vinyl copolymer, (meth)acrylate/ (meth)acrylic acid copolymer, or hydrolyzed methylvinyl ether/maleic anhydride copolymer. Composition additionally comprises diisocyanate compound. EFFECT: improved optical properties, better protection for eye iris. 2 cl, 4 tbl
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Authors
Dates
1997-02-27—Published
1992-08-20—Filed