Title:
METHOD FOR MANUFACTURING PAIR OF SPECTACLE LENSES
Document Type and Number:
WIPO Patent Application WO/2023/068022
Kind Code:
A1
Abstract:
Provided is a method for manufacturing a pair of spectacle lenses 1 composed of a right eye spectacle lens (10R) used for a right eye and a left eye spectacle lens (10L) used for a left eye, the method comprising: finding a lens design condition under which a difference between a sum obtained by adding the magnitude of an intra-range change region in which a refractive power change falls within a predetermined range to the magnitude of a distinct vision region in which astigmatism is smaller than a predetermined value on the center side of the right eye spectacle lens (10R), and a sum obtained by adding the magnitude of the intra-range change region to the magnitude of the distinct vision region on the center side of the left eye spectacle lens (10L) becomes smaller than when the right eye spectacle lens (10R) and the left eye spectacle lens (10L) are designed under a predetermined condition; and designing and manufacturing the right eye spectacle lens (10R) and the left eye spectacle lens (10L) under the found lens design condition.
Inventors:
MIYAZAKI KEN (JP)
Application Number:
PCT/JP2022/036881
Publication Date:
April 27, 2023
Filing Date:
October 03, 2022
Export Citation:
Assignee:
NIKON ESSILOR CO LTD (JP)
International Classes:
G02C7/06; G02C13/00
Foreign References:
| JP2011048386A | 2011-03-10 | |||
| JP2012103669A | 2012-05-31 | |||
| JP2001318344A | 2001-11-16 | |||
| JP2017122941A | 2017-07-13 | |||
| JP2004138794A | 2004-05-13 | |||
| JP6310847B2 | 2018-04-11 | |||
| JP4979774B2 | 2012-07-18 |
Attorney, Agent or Firm:
OHNISHI, Shogo et al. (JP)
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