Substantially non-swellable contact lens containing block...

Details Substantially non-swellable contact lens containing block... Substantially non-swellable contact lens containing block...

G - Physics

02

B

402/21, 402/24

G02B 1/04 (2006.01) C08G 77/46 (2006.01) C08L 83/12 (2006.01)

Patent

CA 1293082

Substantially Non-Swellable Contact Lens Containing Block Copolymer Polysiloxane-Polyoxyalkylene Backbone Units Abstract of the Disclosure Contact lenses which are optically clear, hydrolytically stable, biologically inert, wettable, flexible, substantially non-swellable in aqueous ocular tear fluid, oxygen permeable of a block copolymer containing polysiloxane and polyoxyalkylene oxide units are disclosed, as well as the preparation thereof and methods of treating vision defects therewith.

551005

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