| 摘要 |
PROBLEM TO BE SOLVED: To provide a spectacle lens which is excellent in transparency and impact resistance and has excellent absorbability to UV rays harmful to the human eyes. SOLUTION: The spectacle lens made of a polycarbonate resin contains a UV absorbent (B) which is expressed by the following general formula (1) and is≥98.5% in purity at 0.15 to 0.9 parts by weight per 100 parts by weight polycarbonate resin (A). The general formula (1) is as shown. In the formula, R is 1-8C alkyl groups which may be respectively the same or different. COPYRIGHT: (C)2005,JPO&NCIPI
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