Title:
PROGRESSIVE POWER LENS PAIR, METHOD FOR DESIGNING PROGRESSIVE POWER LENS PAIR, AND METHOD FOR MANUFACTURING PROGRESSIVE POWER LENS PAIR
Document Type and Number:
WIPO Patent Application WO/2018/079836
Kind Code:
A1
Abstract:
In a progressive power lens pair, when the prescribed addition power of a lens for a right eye and the prescribed addition power of a lens for a left eye are the same and, in prescription information for the progressive power lens pair, the spherical power SR of the lens for the right eye and the spherical power SL of the lens for the left eye are different, or the astigmatism power CR of the lens for the right eye and the astigmatism power CL of the lens for the left eye are different, or the angle AxL for the astigmatism axis of the right eye and the angle AxR for the astigmatism axis of the left eye are different, the object side surface and the eyeball side surface are provided such that ADDR1 – ADDR2 and ADDL1 – ADDL2 are different, where ADDR1 is the surface addition power for the object side surface and ADDR2 is the surface addition power of the eyeball side surface of the lens for the right eye, and ADDL1 is the surface addition power for the object side and ADDL2 is the surface addition power for the eyeball side surface of the lens for the left eye.
Inventors:
YANARI MITSUHIRO (JP)
UNO DAISUKE (JP)
UNO DAISUKE (JP)
Application Number:
PCT/JP2017/039345
Publication Date:
May 03, 2018
Filing Date:
October 31, 2017
Export Citation:
Assignee:
NIKON ESSILOR CO LTD (JP)
International Classes:
G02C13/00; G02C7/06
Domestic Patent References:
| WO2009072528A1 | 2009-06-11 | |||
| WO2015150432A1 | 2015-10-08 |
Foreign References:
| JP2010096852A | 2010-04-30 | |||
| JP2006267163A | 2006-10-05 | |||
| JP2012215640A | 2012-11-08 | |||
| JP2016213629A | 2016-12-15 |
Other References:
See also references of EP 3534203A4
Attorney, Agent or Firm:
NAGAI, Fuyuki et al. (JP)
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