Contact lens containing a diffractive optical element and related methods
US12411361B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2023 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Oct 16, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/22
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure relates to a contact lens (100) including a diffractive optical element (101), an optical filter (103), and an optic axis (109) passing through the optical filter and the diffractive optical element. The diffractive optical element (101) is configured to focus visible light. The optical filter (103) is configured to filter out light with a wavelength of 450 nm to 495 nm. The optical filter (103) may allow through light with a wavelength of 500 nm to 750 nm. The optical filter (103) may include one or more colorants. The present disclosure also relates to a method (600) of manufacturing a contact lens. The present disclosure also relates to a method (700) of correcting the vision of a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.