Monochromatic multi-resolution corneal topography target

Details Monochromatic multi-resolution corneal topography target Monochromatic multi-resolution corneal topography target

2009-01-21

2010-06-22

Mai, Huy K (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S221000

Reexamination Certificate

active

07740356

ABSTRACT:
A method to encode both high-resolution and low-resolution reflected features of a cornea to improve the measurements for reflection based corneal topography systems. The corneal topography reflective target provides for multiple resolutions of measurements to be obtained from a single acquisition.

REFERENCES:
patent: 5668623 (1997-09-01), Sakurai et al.
patent: 6116738 (2000-09-01), Rorabaugh
patent: 6926408 (2005-08-01), Sarver

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