Oxygen permeable hard contact lens

Details Oxygen permeable hard contact lens Oxygen permeable hard contact lens

G - Physics

02

C

88/40, 402/9

G02C 7/04 (2006.01)

Patent

CA 1221789

Abstract of the Disclosure An oxygen permeable hard contact lens having an improved oxygen permeability and an improved hardness and rigidity and an improved refractive index, made of a polymer comprising a styrene containing a silyl or siloxanyl group having at most 15 silicon atoms.

470727

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