Conoscopic system for real-time corneal topography
US5909270A · kind A · utility
38Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 1997 |
| Grant date | Jun 1, 1999 |
| Priority date | — |
| Expiry date | May 9, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2009/00897
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A corneal topographer based on conoscopic holography with partially coherent illumination. Corneal topographic measurements can be accomplished at a processing rate higher than the standard video rate of 30 Hz. The conoscopic measurements can be used in an opto-electronic servo to control a photorefractive keratectomy system in real time for an improved accuracy in laser ablation of a corneal surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.