Patent ID: 9429684
Filing Date: 2016-08-30
CPC Classification: B29C,B29K,B29L,B65B,G02B

Claim Text:
1. A silicone hydrogel contact lens, comprising: a polymeric lens body having, when hydrated, an equilibrium water content of at least 30%, an oxygen permeability of at least 30 barrers, and a modulus of 0.3 to 1.2 MPa, and which is the reaction product of a miscible polymerizable composition, said miscible polymerizable composition comprising wherein the polymeric lens body comprises a plurality of primary amine functional groups provided by polymerized units of the at least one primary amine-containing methacrylate monomer or polymerized units of the at least one primary amine-containing methacrylamide monomer, and the plurality of primary amine functional groups are covalently bonded with complementary functional groups as a result of the polymeric lens body having been provided in an aqueous solution comprising an agent having an attached one or more of said complementary functional groups.