Active eye movement and positioning control device
US5947955A · kind A · utility
11Cited by
3References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1997 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | Sep 12, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2009/00872
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for controlling the position of a patient's eyes during ophthalmic laser surgery is disclosed which comprises a first fixation object positioned within view of the patient's eye that is undergoing treatment, a second fixation object positioned within view of the patient's eye that is not undergoing treatment, and structure for controlling the position of the second fixation object. The present device allows the patient to maintain fixation on a visual target and maintain the eye undergoing treatment in a steady position even when vision in the eye undergoing treatment becomes blurred during laser ablation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.