Wettable, flexible, oxygen permeable contact lens containing...

Details Wettable, flexible, oxygen permeable contact lens containing... Wettable, flexible, oxygen permeable contact lens containing...

C - Chemistry, Metallurgy

08

G

400/2005

C08G 77/46 (2006.01) C08F 290/06 (2006.01) C08F 299/08 (2006.01) C08G 18/61 (2006.01) C08G 18/67 (2006.01) G02B 1/04 (2006.01)

Patent

CA 1339224

This invention relates to ophthalmic devices, such as contact lenses and intraocular implants, and particularly contact lenses of a block copolymer containing polysiloxane and polyoxyalkylene oxide units possessing an advantageous blend of desirable properties including a) high oxygen permeability, b) good wettability, c) flexibility and d) optical clarity, in the ocular environment of use. Even the preparation thereof and methods of treating vision defects therewith are disclosed, as well as the polymers which may be used for said ophthalmic devices.

591994

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