Patent ID: 8979261
Filing Date: 2015-03-17
Classification: A45C,B29C,B29D,B29K,B29L,B65D,C08L,G02B,G02C

Abstract:
1. A method of manufacturing a silicone hydrogel ophthalmic device, comprising: providing a polymerizable composition, the polymerizable composition comprising polymerizing the polymerizable composition in an ophthalmic device mold assembly to form a polymeric ophthalmic device body, wherein at least one mold member of the ophthalmic device mold assembly comprises at least one vinyl alcohol copolymer which is not an ethylene-vinyl alcohol copolymer; contacting the polymeric ophthalmic device body with a washing liquid to remove extractable material from the polymeric ophthalmic device body; and packaging the polymeric ophthalmic device body in an ophthalmic device packaging solution in an ophthalmic device package.