Ophthalmic anti-somnolence lens, device and method
US10048515B2 · kind B2 · utility
1Cited by
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20Claims
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Assignee
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Key dates
| Filing date | Dec 10, 2015 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Sep 28, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The ophthalmic lens includes a substrate, the substrate having a rear face and a front face, and at least one external interferential coating, the at least one interferential coating being such that it enables to selectively reflect light arriving on the rear face with a local maximum of reflection of at least 10% for a wavelength within the range between 450 nm and 490 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.