| http://www.w3.org/ns/prov#value | - The ocular lens material according to claim 1, wherein the polymer (A) has the formula: ##STR7## wherein each of R1, R2 and R3 which may be the same or different, is a hydrogen atom or a methyl group, R4 is an alkyl group, A is a polymerizable group selected from the group consisting of an allyl group, a vinyl group and a (meth)acryloyl group, R5 is a hydrophilic group, and p, q and r are integers
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