Methods and systems for differentiating left and right eye images
US7481536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2004 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Feb 9, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2009/0088
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and systems for determining whether an image is of a left eye or a right eye may be used to enhance laser eye surgery systems and techniques. Methods generally involve locating an iris center and/or pupil center on an image of the eye, locating a corneal vertex and/or at least one reflection on the image, and determining whether the image is of a left eye or a right eye, based on the location of the corneal vertex and/or reflection(s) relative to the iris center and/or pupil center. Systems include a laser emitting a beam of an ablative light energy and a computer processor having a computer program for determining whether the image is of a left eye or a right eye, based on a location of the corneal vertex and/or reflection(s) relative to the iris center and/or pupil center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.