Title:
SPECTACLE LENS
Document Type and Number:
Japanese Patent JP2023170520
Kind Code:
A
Abstract:
To provide a spectacle lens with a thin edge portion.SOLUTION: A spectacle lens EL disclosed herein has a refractive index distribution represented by N(r)=N0w+N1w×r2, and satisfies the following conditional expressions: 1.4
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Inventors:
NONAKA ANNA
Application Number:
JP2022082343A
Publication Date:
December 01, 2023
Filing Date:
May 19, 2022
Export Citation:
Assignee:
NIKON ESSILOR CO LTD
International Classes:
G02B25/00; G02B3/00; G02C7/00; G02C7/02
Attorney, Agent or Firm:
Shogo Ohnishi
Toshiaki Namiki
Toshiaki Namiki