Method for simulation of visual disabilities
US5777717A · kind A · utility
6Cited by
12References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1996 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Jan 30, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/0136
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Contact lenses with contoured anterior surfaces are employed to obtain informed consent from a patient prior to ophthalmic surgery. These modified contact lenses with contoured surfaces, when worn by a patient, will mimic visual distortions which might result from various types of corneal surgery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.