Patent ID: 8022158

Claim:
A biomedical device comprising a lens polymer having entangled therein at least one acyclic polyamide having a weight average molecular weight of at least about 100,000 and comprising repeating units of Formula I Wherein X is a direct bond, wherein R 3 is a C1 to C3 alkylene group; R 1 is selected from H, straight or branched, substituted or unsubstituted C1 to C4 alkyl groups, R 2 is selected from H, straight or branched, substituted or unsubstituted C1 to C4 alkyl groups, amino groups having up to two carbons, amide groups having up to four carbon atoms and alkoxy groups having up to two carbons and wherein the number of carbon atoms in R 1 and R 2 taken together is 8 or less.