Patent ID: 7892284
Filing Date: 2011-02-22
Classification: A61F,A61L

Abstract:
1. An intraocular lens having an optic portion having a front surface and a back surface and both the front surface and the back surface are surface treated, the front surface is surface-treated to inhibit the property of adhering to a protein, and the back surface is surface-treated to improve the property of adhering to a protein, said front surface and said back surface being different from each other in the property of adhering to a protein and satisfying the relationship of the expression (x), wherein PA wherein the optic portion is formed of one piece, wherein the front surface of the optic portion is a surface-treated front surface coated with a copolymer having a recurring unit of the general formula (I), wherein R in which R R and having a number average molecular weight of 5,000 or more, the copolymer having been obtained from 2-methacryloyloxyethyl phosphorylcholine and (meth)acrylic ester.