SPECTACLE LENS AND SPECTACLES
    6.
    发明申请

    公开(公告)号:US20220163711A1

    公开(公告)日:2022-05-26

    申请号:US17442783

    申请日:2020-03-27

    IPC分类号: G02B5/23 G02C7/08

    摘要: A spectacle lens including a lens substrate and a photochromic layer, wherein the photochromic layer is a cured layer of a curable composition containing a photochromic compound and a plurality of curable compounds, a surface Martens hardness of the photochromic layer is 5.0 kgf/mm2 or more, and the plurality of curable compounds contain components (1) to (3) below: (1) neopentyl glycol di(meth)acrylate; (2) a curable compound having an L-scale Rockwell hardness of homopolymer of 60 or more; and (3) a curable compound having an L-scale Rockwell hardness of homopolymer of 40 or less.