Multifocal lens supply system for providing to a wearer a customized progressive spectacle ophthalmic lens
US10216006B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Sep 28, 2015 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Sep 28, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/065
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multifocal lens supply system including a multifocal lens ordering computing unit and a multifocal lens determination computing unit, for providing to a wearer a customized progressive spectacle ophthalmic lens having a customized addition Addc, wherein Addc=Addp+corr, wherein corr is a corrective value which is the output of a function where the input is at least an individual wearer parameter value and at least an output value over the input range is different from nil, and wherein Addp is a prescribed addition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.