POLARIZING LENS, EYEWEAR, AND METHOD FOR MANUFACTURING POLARIZING LENS
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United States of America Patent
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Issued Date -
Sep 12, 2019
app pub date -
Apr 3, 2019
filing date -
Oct 17, 2013
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Abstract
A method for manufacturing a polarizing lens that includes a polarizing polyvinyl alcohol film arranged between two pieces of a lens base material. The method includes subjecting the polarizing lens to edging processing to prepare a polarizing lens where the polarizing polyvinyl alcohol film is exposed at least at a part of an edge surface of the lens, and applying hydrophobization treatment to the polarizing polyvinyl alcohol film exposed at the edge surface of the lens.
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