Ocular lens material and process for producing the same

Details Ocular lens material and process for producing the same Ocular lens material and process for producing the same

C - Chemistry, Metallurgy

08

F

C08F 226/02 (2006.01) C08F 214/18 (2006.01) C08F 220/22 (2006.01) C08F 220/56 (2006.01) C08F 226/06 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2262054

Ocular lens materials comprising copolymers obtainable by polymerizing a monomer mixture comprising: (A) an N-vinyllactam; (B) a fluorine-containing unsaturated monomer; (C) a hydrophilic (meth)acrylamide; (D) a crosslinking agent having at least 2 (meth)acryloyloxy groups; and (E) a dicarboxylic acid divinyl ester; and ocular lenses comprising these ocular lens materials. The ocular lens materials and ocular lenses according to the present invention, causing no elution and having a high water-retaining capability and oxygen permeability, are excellent in transparency, resistance to deposition, mechanical strength, flexibility, safety, durability, ability of correcting visual acuity, comfort during wear and handleability.

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