Title:
A glasses lens processing shape acquisition method and a glasses lens processing shape acquisition device
Document Type and Number:
Japanese Patent JP6015021
Kind Code:
B2
Abstract:
An eyeglass lens processing shape obtaining method for attaching a prescription lens having an edge thicker than an original lens and having refractive power to a rim of an eyeglass frame, in place of the original lens attached to the rim, the method includes: obtaining an outline of the original lens; obtaining an inner boundary of the rim on a surface of the original lens in a state where the original lens is attached to the rim; obtaining an external form processing shape of the prescription lens based on the outline of the lens; and obtaining a step processing shape of the prescription lens based on the inner boundary of the rim.
Inventors:
Motoshi Tanaka
Toshiro Matsumoto
Toshiro Matsumoto
Application Number:
JP2012027508A
Publication Date:
October 26, 2016
Filing Date:
February 10, 2012
Export Citation:
Assignee:
NIDEK CORPORATION
International Classes:
G02C13/00; G01B11/24; G02C5/02
Domestic Patent References:
| JP2007271561A | ||||
| JP3120360U | ||||
| JP2009131939A |
Foreign References:
| US20090201463 | ||||
| WO2006003939A1 |