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Proceedings Paper

Excimer laser-induced ablation in corneal surgery by a two-dimensional scanning method
Author(s): Angela Unkroth; Karin Pachomis; Eberhard Welsch; Jens-Uwe Walther; D. Zimare; Ulf Krause
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Paper Abstract

We describe a new multi-purpose maskless method of corneal surgery based on the point-by- point scanning of a focused laser beam which allows the application of a low-energy excimer laser. The crucial scanning parameters (beam diameter, step width, overlap...) to achieve a smooth corneal surface have been investigated. A computer program for the simulation and optimization of the point-by-point scanning process has been developed and tested on contact lenses consisting of PMMA. In addition, a method of measuring the eye-movement by means of the computer-assisted interpretation of photographs was proved for its application in an eye- tracking-system.

Paper Details

Date Published: 15 February 1994
PDF: 11 pages
Proc. SPIE 2079, Laser Applications in Ophthalmology, (15 February 1994); doi: 10.1117/12.168728
Show Author Affiliations
Angela Unkroth, Friedrich-Schiller-Univ. Jena (Germany)
Karin Pachomis, Jenoptik GmbH Jena (Germany)
Eberhard Welsch, Friedrich-Schiller-Univ. Jena (Germany)
Jens-Uwe Walther, Friedrich-Schiller-Univ. Jena (Germany)
D. Zimare, Friedrich-Schiller-Univ. Jena (Germany)
Ulf Krause, Jenoptik GmbH Jena (Germany)


Published in SPIE Proceedings Vol. 2079:
Laser Applications in Ophthalmology

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