Soft contact lens

Details Soft contact lens Soft contact lens

G - Physics

02

C

18/106, 402/302,

G02C 7/04 (2006.01)

Patent

CA 1214899

ABSTRACT OF THE DISCLOSURE A soft lens is obtained from a composition compris- ing, in specified amounts, a monomethacrylate of an alkylene glycol, a fluorine-containing methacrylate, preferably tri- fluoroethyl methacrylate and/or hexafluoroisopropyl methacry- late, and one or more compounds selected from unsaturated carboxylic acids, monomethacrylates of polyhydric alcohols with three or more hydroxyl groups and alkyl methacrylates. The resulting soft contact lens has the same optical proper- ties and elasticity as conventional soft contact lenses, and is very superior to the conventional ones in resistance to deposit and in shape stability.

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