Glass coated polysiloxane contact lens

Details Glass coated polysiloxane contact lens Glass coated polysiloxane contact lens

B - Operations, Transporting

29

D

88/40, 204/96.05

B29D 11/00 (2006.01)

Patent

CA 1107233

GLASS COATED POLYSILOXANE CONTACT LENS ABSTRACT OF THE DISCLOSURE A glass coated, flexible, hydrophilic polymeric contact lens having a sufficient amount Or oxygen transportability to meet the requirements of the human cornea is disclosed. In addi- tion, this glass coated contact lens is wettable, fillerless, hydrolytically stable, biologically inert, transparent, resilient and sort. The glass coating is substantially colorless, transparent and from about 100 to about 8,000 angstroms thick. 'he glass may be a silicate glass, a phosphate Glass or a germanate glass or mixtures thereof. The contact lens substrate comprises polymer comprising a poly(organosiloxane) terminally bonded through a divalent hydrocarbon group to a polymerized activated unsaturated group. Further a method of making the glass coated siloxane contact lens is disclosed. -1-

308669

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