Title:
OPHTHALMIC LENS
Document Type and Number:
WIPO Patent Application WO/2021/059673
Kind Code:
A1
Abstract:
Provided are an ophthalmic lens having two lens elements 1, 2 having different powers and a technology related thereto, wherein: when ve1 is the Abbe number (based on e-line) of the lens element 1 having the smaller absolute value of power and ve2 is the Abbe number (based on e-line) of the other lens element 2, the following expression (1) is satisfied, ve1PgF'2...expression (2).
Inventors:
MATSUOKA SHOHEI (JP)
IGUCHI YUKI (JP)
MUKAIYAMA HIROYUKI (JP)
IGUCHI YUKI (JP)
MUKAIYAMA HIROYUKI (JP)
Application Number:
PCT/JP2020/026941
Publication Date:
April 01, 2021
Filing Date:
July 10, 2020
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
MATSUOKA SHOHEI (JP)
IGUCHI YUKI (JP)
MUKAIYAMA HIROYUKI (JP)
MATSUOKA SHOHEI (JP)
IGUCHI YUKI (JP)
MUKAIYAMA HIROYUKI (JP)
International Classes:
G02C7/04; G02C7/06
Domestic Patent References:
| WO2018152596A1 | 2018-08-30 | |||
| WO2012044256A1 | 2012-04-05 | |||
| WO2018152596A1 | 2018-08-30 |
Foreign References:
| JPH0299912A | 1990-04-11 | |||
| JP2001509276A | 2001-07-10 | |||
| US20080088793A1 | 2008-04-17 | |||
| US20170131567A1 | 2017-05-11 | |||
| US20170131567A1 | 2017-05-11 | |||
| JP2013160994A | 2013-08-19 |
Attorney, Agent or Firm:
FUKUOKA Masahiro et al. (JP)
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