Method and apparatus for providing variations of a lower-lid contact surface and under-lid support structures of a translating multifocal contact lens
US9405131B2 · kind B2 · utility
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3References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 1, 2013 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Nov 2, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2035/0833
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a translating multifocal contact Lens including one or both of a lower-lid contact surface and an under-lid support structure. More specifically, a translating multifocal contact Lens whereby a lower-lid contact surface may include multiple geometric variations and Blend Zones, and an under-lid support structure that may be designed based upon one or more various techniques including one or more of a function-driven technique, a uniform axial thickness technique, a uniform radial thickness technique, and a MES technique.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.