Toric intraocular lens, intraocular lens insertion tool, and method for producing toric intraocular lens
US11622851B2 · kind B2 · utility
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7Claims
0Family size
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Key dates
| Filing date | Jun 14, 2017 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Mar 11, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0097
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is provided a toric intraocular lens which improves the visibility of a toric axis. The toric intraocular lens is a toric intraocular lens including a lens body provided with an astigmatic axis. A mark indicating the astigmatic axis is formed at an optical surface of an outer rim portion of the lens body, and a length in a radial direction of the lens body and a length in a circumferential direction of the lens body of external dimensions of the mark are different from each other in top view of the optical surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.