Patent ID: 6210438
Filing Date: 2001-04-03
Classification: A61L

Abstract:
A bicomposite intraocular lens comprising an anterior surface material consisting of an ophthalmically acceptable lens-forming material and a posterior surface material, different from the anterior surface material, for reducing the risk of posterior capsule opacification, wherein the posterior surface material is a capplymer that consists essentially of two or more aryl acrylic hydrophobic monomers of the formula ##STR2##wherein: X is H or CH.sub.3 ;m is 0-10;Y is nothing, O, S, or NR wherein R is H, CH.sub.3, C.sub.n H.sub.2n+1, iso-OC.sub.3 H.sub.7, C.sub.6 H.sub.5, or CH.sub.2 C.sub.6 H.sub.5 ;n is1-10;Ar is any aromatic ring which can be unsubstituted or substituted with CH.sub.3, C.sub.2 H.sub.5, n-C.sub.3 H.sub.7, iso-C.sub.3 H.sub.7, OCH.sub.3, C.sub.6 H.sub.11, Cl, Br, C.sub.6 H.sub.6, or CH.sub.2 C.sub.6 H.sub.5 ;and a cross-linking agent;and wherein the posterior surface material optionally contains one or more ingredients selected from the group consistingq of UV, absorbers and blue-light blocking colorants.