SPECTACLE LENS
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United States of America Patent
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Apr 24, 2015
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Apr 24, 2014
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Abstract
A spectacle lens which exhibits excellent abrasion resistance. The spectacle lens includes a lens substrate and a hard coat layer having a film thickness of 5 μm or more and 100 μm or less and has an indentation hardness of the hard coat layer of 25 mgf/μm2 or more and 100 mgf/μm2 or less at 30 mgf load.
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