Method for providing to a wearer a customized progressive spectacle ophthalmic lens
US10042182B2 · kind B2 · utility
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14Claims
0Family size
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Key dates
| Filing date | Aug 27, 2014 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Oct 4, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/22
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method for providing to a wearer a customized progressive spectacle ophthalmic lens, comprising providing a residual astigmatism target value for the progressive spectacle ophthalmic lens-eye system according to a reference point, calculating a correction function, combining the correction function to the front or to the back surface of an initial optical data of an initial progressive spectacle ophthalmic lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.