| 摘要 |
PROBLEM TO BE SOLVED: To provide a monomer whose polymer to be obtained by polymerization of the monomer, which polymer has high oxygen permeability and high adhesion resistance to a lipid, and also provide a polymer, an ophthalmic lens, and a contact lens each using the same. SOLUTION: The monomer is represented by general formula (a) (A represents a siloxanyl group, Rf represents a substituent selected from a 1-20C fluoroalkyl group which may be substituted and a 6-20C fluoroaryl group which may be substituted, X represents a group selected from O, S and N-R1, Y represents a group selected from N-R2, O and S, R1 represents a substituent selected from the group consisting of H, a 1-20C alkyl group which may be substituted and a 6-20 C aryl group which may be substituted, R2 represents a substituent selected from the group consisting of H, an alkyl group which may be substituted and an aryl group which may be substituted, l represents an integer of 0-3 and m represents an integer of 1-20).
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