Test substrate for laser evaluation

Details Test substrate for laser evaluation Test substrate for laser evaluation

1996-05-13

1998-02-03

Shay, David M.

Surgery

Instruments

Light application

606 2, 606 5, A61B 1400

Patent

active

057138931

ABSTRACT:
A test substrate for the calibration of a laser used in ophthalmologic surgery. The test substrate is formed from a homogenous, relatively anhydrous material that ablates a rate approximately that of human corneal tissue. In one embodiment, the test substrate is formed from a plastic material such as acrylic or silicone. In another embodiment, the test substrate is formed from an organic gel or inorganic gel such as cross-linked collagen.

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patent: 5163934 (1992-11-01), Munnerlyn
patent: 5261822 (1993-11-01), Hall et al.
patent: 5279611 (1994-01-01), McDonnell et al.
patent: 5460627 (1995-10-01), O'Donnell, Jr.
An Atlas of Corneal Topography by Donald R. Sanders, M.D., PhD, and Douglas D. Koch, M.D. -pp. 12 through 17.

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