Title:
SPECTACLE LENS, DEVICE FOR MANUFACTURING SPECTACLE LENS, DESIGN METHOD, AND DESIGN PROGRAM
Document Type and Number:
WIPO Patent Application WO/2018/220737
Kind Code:
A1
Abstract:
Each of a pair of left and right eyeglass lenses is provided with a far sight range and near sight range, and a progressive range in which the refractive power progressively changes between the far sight range and the near sight range. In the pair of left and right eyeglass lenses mounted in an eyeglass frame, the height position of a far eye point as a reference point of the far sight range differs between the left and right eyeglass lenses, and the length of a progressive zone linking the far sight region and the near sight region differs between the left and right eyeglass lenses.
Inventors:
QI HUA (JP)
Application Number:
PCT/JP2017/020215
Publication Date:
December 06, 2018
Filing Date:
May 31, 2017
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
QI HUA (JP)
QI HUA (JP)
International Classes:
G02C7/06
Domestic Patent References:
| WO2014097851A1 | 2014-06-26 | |||
| WO2014097852A1 | 2014-06-26 | |||
| WO2014097853A1 | 2014-06-26 | |||
| WO2014097854A1 | 2014-06-26 |
Foreign References:
| JP2014071420A | 2014-04-21 | |||
| JP2013171134A | 2013-09-02 |
Other References:
See also references of EP 3633440A4
Attorney, Agent or Firm:
MATSUOKA, Shuhei (JP)
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