Method for ordering a spectacle lens and associated system
US10121188B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Nov 21, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C3/003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and an associated system for ordering a spectacle lens by a wearer (1), said method involving steps of: selecting (S1) a spectacle frame by the wearer (1); capturing (S2) a picture showing partially a face of said wearer (1) wearing the selected spectacle frame, at a picture capturing side (10) so as a position of said spectacle frame with respect to the wearer face is extractable from said picture; obtaining (S3.1) a three dimensional shape of the selected frame at said picture processing side (20); processing (S3) said picture for obtaining the position of said spectacle frame with respect to the wearer face at said picture processing side (20); and ordering (S6) to a lens manufacturing side (40) spectacle lens complying with said frame shape, said extracted frame position, and wearer data, wherein said wearer data comprises at least a prescription for the wearer (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.