ARTIFICIAL CRYSTALLINE LENS Russian patent published in 2001 - IPC

FIELD: polymer materials in ophthalmology. SUBSTANCE: artificial lens contains optical and carrying parts made of methacrylate-based polymer material, which is prepared by light- hardening of composition prepared from composition containing: 2-10% oligourethane having following structure: , in which M denotes and m= 50-180; 10- 30% octyl methacrylate; 2-10% oligocarbonate- methacylal having following structure: , in which R denotes -CH₂-CH₂-O-CH₂-CH₂-; 2-10% methacrylic acid; and 0.1- 0.8% 2,2-dimethoxy-2-phenylacetophenone. EFFECT: improved strength and elasticity. 3 cl, 2 tbl, 20 ex