Ophthalmic lens comprising a unique lens identification code
US9274350B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2013 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Dec 11, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D11/00259
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An ophthalmic lens (1) has a front surface (2) and a rear surface, each of the front and rear surfaces comprising a central optical zone (4) which is surrounded by a peripheral zone (3). The ophthalmic lens (1) further comprises a unique lens identification code which is arranged in the peripheral zone (3) of one of said front and rear surfaces. The unique lens identification code has the form of an N×M dot matrix (5) comprising N rows and M columns of matrix elements (50), and the N×M dot matrix (5) represents a binary code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.