New developments in ophthalmic applications of ultrafast lasers

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 M.D.

doi:10.1117/12.386348

23 May 2000 New developments in ophthalmic applications of ultrafast lasers

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 M.D.

Author Affiliations +

Proceedings Volume 3934, Commercial and Biomedical Applications of Ultrafast Lasers II; (2000) https://doi.org/10.1117/12.386348
Event: Symposium on High-Power Lasers and Applications, 2000, San Jose, CA, United States

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.

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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, and Ron M. Kurtz M.D. "New developments in ophthalmic applications of ultrafast lasers", Proc. SPIE 3934, Commercial and Biomedical Applications of Ultrafast Lasers II, (23 May 2000); https://doi.org/10.1117/12.386348

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