Surgical visual feedback and eye fixation method and apparatus
US7001018B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 16, 1999 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Aug 16, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2009/00882
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fixation apparatus is provided that limits rotation of the ocular globe of an eye, to facilitate alignment of an instrument with the axis of astigmatism of the eye. The apparatus includes fixation target means (12) for locating in the field of view of the eye so that the eye may fixate on the target. The fixation target means includes or consists of at least one elongate component (16). Also disclosed is a corresponding method, and method and apparatus for supplying visual feedback to an operator during refractive surgery of an eye of a patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.