Truncated translating contact lens with optimized performance and method of design
US10151935B2 · kind B2 · utility
1Cited by
14References
3Claims
0Family size
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Key dates
| Filing date | Dec 20, 2017 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Dec 20, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/048
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Translating contact lenses which are truncated for correcting presbyopia and whose design is optimized to maximize translation ability while maintaining comfort when the lens is worn on eye. Truncation of the lenses results in a non-round geometry while still retaining under-lid residency in select portions of the lens itself. Maximum thickness and back surface radius of curvature along with ramp shape can be optimized individually or in combination to maximize translation of the lens relative to the eye, when the lens is positioned on eye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.