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Title:
SPECTACLE LENS, DEVICE FOR MANUFACTURING SPECTACLE LENS, AND METHOD FOR MANUFACTURING SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2023/127647
Kind Code:
A1
Abstract:
A spectacle lens (20A) comprises: a first region (A1) having a first refractive index; a second region (A2) having a second refractive index different from the first refractive index; and a third region (A3) having a third refractive index that is an intermediate refractive index between the first refractive index and the second refractive index, and disposed between the first region and the second region.

Inventors:
YOSHIDA YOSHINORI (JP)
Application Number:
PCT/JP2022/047124
Publication Date:
July 06, 2023
Filing Date:
December 21, 2022
Export Citation:
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Assignee:
NIKON ESSILOR CO LTD (JP)
International Classes:
G02C7/06; G02B3/00
Foreign References:
JP2019521397A2019-07-25
JP2013254041A2013-12-19
JPS60126622A1985-07-06
JP2005001131A2005-01-06
JP2005532598A2005-10-27
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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