| 摘要 |
PROBLEM TO BE SOLVED: To provide a plastic molding for a contact lens or the like excellent in transparency, wettability, oxygen permeability and mechanical characteristic. SOLUTION: This plastic molding has a surface where a difference between an advance contact angle and a sweepback contact angle is within 40 deg. in a dynamic contact angle to water, and a difference between the advance contact angle and the sweepback contact angle is within 20 deg. in the dynamic contact angle to a boric acid buffer solution.
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