Aspherical multifocal intraocular lens
US12239528B2 · kind B2 · utility
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12References
14Claims
0Family size
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Key dates
| Filing date | Jul 6, 2021 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Jul 26, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0053
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A multifocal intraocular lens has an anterior lens surface which includes a first optic of a first radius and a second optic of a different radius. The posterior surface of the lens include an aspheric surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.