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Patent Searching and Data


Title:
OPHTHALMIC LENS
Document Type and Number:
WIPO Patent Application WO/2021/059672
Kind Code:
A1
Abstract:
Provided are an ophthalmic lens and the technology associated therewith. The ophthalmic lens has a prescribed power of zero or less and a positive longitudinal chromatic aberration and is provided with a diffraction structure at least either on the surface facing an object or on the surface facing an eyeball, the diffraction structure having a blaze wavelength set on the short wavelength side in visible light.

Inventors:
MATSUOKA SHOHEI (JP)
IGUCHI YUKI (JP)
MUKAIYAMA HIROYUKI (JP)
Application Number:
PCT/JP2020/026940
Publication Date:
April 01, 2021
Filing Date:
July 10, 2020
Export Citation:
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Assignee:
HOYA LENS THAILAND LTD (TH)
MATSUOKA SHOHEI (JP)
IGUCHI YUKI (JP)
MUKAIYAMA HIROYUKI (JP)
International Classes:
G02C7/02; G02B5/18; G02C7/10
Domestic Patent References:
WO2018152595A12018-08-30
WO2018026697A12018-02-08
WO2008090743A12008-07-31
Attorney, Agent or Firm:
FUKUOKA Masahiro et al. (JP)
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