Corneal topography enhancement device

Details Corneal topography enhancement device Corneal topography enhancement device

1994-08-08

1996-04-16

Shay, David M.

Surgery

Instruments

Light application

606 2, 606 10, 128774, 33 1B, 33262, 33511, 33512, 33533, A61B 3107

Patent

active

055077404

ABSTRACT:
A thin, pliable mat to enhance visualization of corneal topography during rastostereography or videokeratoscopy. The mat is approximately 20 microns or less in thickness and constructed from hydrophobic material. In one preferred embodiment, the mat has a pattern etched thereon. In an alternative embodiment, a pattern is projected onto the mat. For rastostereography the pattern is a grid. For videokeratoscopy the pattern is concentric circles. The mat conforms to the surface of the cornea and the pattern is analyzed using conventional technology to determine corneal topography.

REFERENCES:
patent: 4483075 (1984-11-01), Kundin
patent: 5261822 (1993-11-01), Hall et al.

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