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Proceedings Paper

New developments in ophthalmic applications of ultrafast lasers
Author(s): Greg J. R. Spooner; Tibor Juhasz; Imola Ratkay-Traub; Gagik P. Djotyan; Christopher Horvath; Zachary S. Sacks; Gabrielle Marre; Doug L. Miller; A. Roy Williams; Ron M. Kurtz
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Paper Abstract

The eye is potentially an ideal target for high precision surgical procedures utilizing ultrafast lasers. We present progress on corneal applications now being tested in humans and proof of concept ex vivo demonstrations of new applications in the sclera and lens. Two corneal refractive procedures were tested in partially sighted human eyes: creation of corneal flaps prior to excimer ablation (Femto- LASIK) and creation of corneal channels and entry cuts for placement of intracorneal ring segments (Femto-ICRS). For both procedures, results were comparable to standard treatments, with the potential for improved safety, accuracy and reproducibility. For scleral applications, we evaluated the potential of femtosecond laser glaucoma surgery by demonstrating resections in ex vivo human sclera using dehydrating agents to induce tissue transparency. For lens applications, we demonstrate in an ex vivo model the use of photodisruptively-nucleated ultrasonic cavitation for local and non-invasive tissue interaction.

Paper Details

Date Published: 23 May 2000
PDF: 11 pages
Proc. SPIE 3934, Commercial and Biomedical Applications of Ultrafast Lasers II, (23 May 2000); doi: 10.1117/12.386348
Show Author Affiliations
Greg J. R. Spooner, Univ. of Michigan (United States)
Tibor Juhasz, Univ. of Michigan (United States)
Imola Ratkay-Traub, Focus Medical Ltd. (Hungary)
Gagik P. Djotyan, Univ. of Michigan and KFKI Research Institute for Particle and Nuclear P (Hungary)
Christopher Horvath, IntraLase Corp. (United States)
Zachary S. Sacks, Univ. of Michigan (United States)
Gabrielle Marre, Univ. of Michigan (United States)
Doug L. Miller, Univ. of Michigan (United States)
A. Roy Williams, Univ. of Manchester (United Kingdom)
Ron M. Kurtz, Univ. of Michigan and IntraLase Corp. (United States)


Published in SPIE Proceedings Vol. 3934:
Commercial and Biomedical Applications of Ultrafast Lasers II
Joseph Neev; Murray K. Reed, Editor(s)

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