Method and apparatus for eye position registering and tracking

Details Method and apparatus for eye position registering and tracking Method and apparatus for eye position registering and tracking

2002-12-23

2011-11-01

Farah, Ahmed (Department: 3769)

Surgery

Instruments

Light application

C606S005000, C351S209000, C128S898000

Reexamination Certificate

active

08048065

ABSTRACT:
The invention refers to A system (10) for registering and tracking the position of a person's eye, in particular for refractive ophthalmic surgery. According to the invention, the system is designed such that eye images containing at least the iris and the pupil of the eye are made at a first wavelength of light and that eye images containing scleral blood vessels are made at a different second wavelength of light. The invention furthermore refers to a corresponding method for registering and tracking the position of a person's eye.

REFERENCES:
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patent: 6099522 (2000-08-01), Knopp et al.
patent: 6491687 (2002-12-01), Sumiya et al.
patent: 6634749 (2003-10-01), Morrison et al.
patent: WO 02/064031 (2002-08-01), None
Jeffrey B. Mulligan,Image Processing for Improved Eye-Tracking Accuracy, Behavior Research Methods Instruments, & Computers, vol. 29, No. 1, Feb. 1997, pp. 54-65.

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