Unreversed prism gonioscopy lens
US10716470B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2018 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B17/086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In one embodiment, a double-reflecting contact lens for viewing the anterior chamber and the anterior chamber angle of an eye, the eye having an optical axis, includes a lens body having a contact end defining at least a portion of a first surface for contacting an eye and a viewing end defining at least a portion of a second surface, a first reflecting surface disposed adjacent the lens body, wherein the first reflecting surface is a planar surface extending from the viewing end to a middle region in the body between the viewing end and the contact end, and a second reflecting surface disposed adjacent the lens body, wherein the second reflecting surface is a planar surface extending from the viewing end to the contact end, the second reflecting surface opposing the first reflecting surface at an angle relative to the first reflecting surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.