| 摘要 |
A hydrophilic polymer and contact lens made therefrom, said polymer consisting essentially of a diester-free glycol monoester of acrylic or methacrylic acid and a comonomer having the formula: <IMAGE> wherein R is a C1 to C4 straight or branched chain alkoxy group, R' is a C2 to C3 straight or branched chain alkylene group, X is hydrogen or a methyl group, m is either 1 or 0, and n is an integer from 1 to 20.
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