Inventors:
Charles S. Cleaver - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C08F21418
Abstract:
Disclosed herein is a contact lens constructed from a copolymer of methyl methacrylate and a fluoroester having a refractive index of 1. 36 to 1. 45, a Knoop hardness of 5 to 16, a tensile modulus of 50,000 to 250,000, oxygen and carbon dioxide permeability of at least about 300 centibarrers and a water content of not more than about 5% by weight of the lens material.