Contact lens and eyewear frame design using physical landmarks placed on the eye
US11604368B2 · kind B2 · utility
0Cited by
15References
21Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 6, 2021 |
| Grant date | Mar 14, 2023 |
| Priority date | — |
| Expiry date | Sep 18, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/047
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method comprises: disposing a physical landmark upon an eye of a user; capturing at least one image of the eye of the user with an image sensor while the eye is illuminated, wherein the image includes an image of the physical landmark and at least one other point on the surface of the eye outside of the cornea; processing the at least one image to obtain at least one metric of the eye of the user; and determining, based on the at least one metric, at least one parameter of a daily use contact lens to be worn on the eye of the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.