Multifocal ophthalmic lenses and related methods
US12259597B1 · kind B1 · utility
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17References
18Claims
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Key dates
| Filing date | Jul 5, 2024 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Jul 5, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/24
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multifocal ophthalmic lens wherein a first surface of the lens is shaped to form a surface power map and a second surface of the lens is shaped to form a second surface power map. The first surface power map and the second surface power map together form a lens power map. The first surface power map, the second surface power map, or the lens power map comprises a spiral. The spiral has a variation across at least a portion of the lens. Methods of making and using such lenses are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.