Patent ID: 6140438
Filing Date: 2000-10-31
Classification: A61F,A61L

Abstract:
A soft intraocular lens material which consists essentially of a polymer obtained by polymerizing polymerizable components, wherein said polymer has a water absorptivity of from 1.5 to 4.5 wt %, and wherein said polymerizable components comprise:(A) an aromatic ring-containing (meth)acrylate of the formula (I): ##STR2## wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is an aromatic group wherein hydrogen atoms may be substituted by substituents, X is an oxygen atom or a direct bond, and n is an integer of from 0 to 5;(B) at least one hydrophilic monomer selected from the group consisting of hydroxyl group-containing alkyl (meth)acrylates wherein the alkyl group has from 1 to 20 carbon atoms, (meth)acrylamide monomers, and N-vinyl lactams;(C) an alkyl (meth)acrylate wherein the alkyl group has from 1 to 20 carbon atoms, other than the above hydroxyl group-containing alkyl (meth)acrylate wherein the alkyl group has from 1 to 20 carbon atoms; and(D) a crosslinkable monomer.