Lens assemblies, indexing assemblies therefor, and methods of indexing same
US8861061B1 · kind B1 · utility
10Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2013 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Mar 14, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/125
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A lens assembly generally includes an ophthalmic contact lens, a rotating collar configured for rotation around at least a portion of an outer surface of the lens, and an indexing assembly configured to provide tactile feedback to a user in the form of increased resistance to relative rotation of the lens and the collar at uniformly spaced indexing positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.