Lens indexing assembly
US11351056B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 11, 2019 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Jun 29, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/049
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A lens indexing assembly is provided that includes a holding portion configured to support a rotating portion, wherein the holding portion has an outer surface configured for holding having a plurality of segments with recesses between segments and a bearing surface, a rotating portion configured for coupling with the holding portion, wherein the rotating portion is configured to rotate relative to the holding portion, and wherein the rotating portion has a bearing surface for rotating relative to the bearing surface of the holding portion, and wherein the rotating portion includes a plurality of tactile features on an outer surface, and an ophthalmic contact lens configured for coupling with the rotating portion, wherein the plurality of tactile features on the outer surface of the rotating portion are configured to provide tactile feedback corresponding to a plurality of angular positions of the ophthalmic contact lens relative to the holding portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.