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Patent Searching and Data


Title:
SPECTACLE LENS, METHOD FOR DESIGNING SPECTACLE LENS, AND METHOD FOR MANUFACTURING SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2021/152986
Kind Code:
A1
Abstract:
Provided are a spectacle lens and related technologies thereof, in which when a wearing person wearing eye glasses is viewed by a third person, the magnification/reduction rate of the size of the eyes of the wearing person at an arbitrary position within the distance range of greater than 0 and 20 mm or less from the central position of the lens is 0.90-1.10 with respect to the size of the eyes of the wearing person at the central position of the lens of the spectacle lens.

Inventors:
KAGA TADASHI (JP)
Application Number:
PCT/JP2020/044201
Publication Date:
August 05, 2021
Filing Date:
November 27, 2020
Export Citation:
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Assignee:
HOYA LENS THAILAND LTD (TH)
KAGA TADASHI (JP)
International Classes:
G02C7/02
Foreign References:
JP2012233959A2012-11-29
JPS5559425A1980-05-02
JPH04218016A1992-08-07
JPS58195826A1983-11-15
Attorney, Agent or Firm:
FUKUOKA Masahiro et al. (JP)
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