US 10,647,831 B2 · Polymeric material for accommodating intraocular lenses

Abstract

The disclosure relates generally to a polymeric material for use in accommodating intraocular lenses for implantation in a lens chamber of a subject's eye. The present disclosure is directed to a polymeric material which comprises a fluorosilicone polymer and a silica component. The presently disclosed polymeric material is both optically clear and has a sufficiently low Young's modulus such that it can effectively respond to the eye's natural accommodative forces and thus can be used in accommodating intraocular lenses. When used in the fabrication of an intraocular lenses, the polymeric material disclosed herein protect the physical characteristics of the lens as the added hydrophobicity of the fluorosilicone polymer allows it to effectively resist diffusion of fluid from the eye and the adhesion of biologica materials.

Claims21

Dependent claims

A polymeric material comprising a fluorosilicone polymer and up to about 30 weight % of a silica component, wherein the silica component has a surface area of at least about 280 m2/g, and wherein the fluorosilicone polymer comprises a polymer of formula

wherein:
n and m are each independently 0 to about 500;
t is about 100 to about 1000;
each R1 is independently alkyl or aryl;
each R2 is independently fluoroalkyl;
each R3 is independently alkyl or fluoroalkyl;
each R4 and R5 is independently alkyl, fluoroalkyl or aryl;
at least one R1, R4 or R5 is aryl;
and
each X is a crosslinker which links the polymer of formula (I) with a second polymer of formula (I);
wherein the polymeric material has a Young's modulus of from about 10 psi to about 150 psi.

8 more elements

Dependencies are inferred from the claim text.

Polymeric material for accommodating intraocular lenses

Life of this patent

Polymeric material for accommodating intraocular lenses

Life of this patent

Abstract

Claims21