Method for the determination of a progressive ophthalmic lens
US8128226B2 · kind B2 · utility
1Cited by
14References
14Claims
0Family size
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Key dates
| Filing date | Feb 27, 2007 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Sep 27, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C13/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method for the determination by optical optimization of a personalized progressive ophthalmic lens intended to be inserted into a frame chosen by a given wearer for whom a power addition has been prescribed in near vision, the method comprising the stages of: The method makes it possible to retain the proportion of the distribution between the far-vision, near-vision and intermediate-vision zones whatever the size and the shape of the frame chosen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.