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Proceedings Paper

Ho:YAG laser sclerostomy in a long-term animal model
Author(s): Sandor G. Vari; Vani R. Pergadia; Wendy J. Snyder; Thanassis Papaioannou; William Fein; Michael C. Fishbein; Wei-Qiang Shi; M. D. Dhondt; Warren S. Grundfest
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Paper Abstract

The effects of the Ho:YAG (2.13 micrometers ) laser on rabbit scleral tissue ablation were determined. Over a period of 12 months the status of the drain hole was monitored. A 3 mm incision was made on 26 rabbits through the conjunctiva and the laser probe was advanced and applied under it. A fluence of 255 J/cm2 was used to perforate the sclera with a pulse duration of 300 microsecond(s) ec full width at half maximum. Results of this study show that this laser thermal sclerostomy procedure provided a patent hole in 6 of 8 (75%) eyes at 3 months, 11 of 15 (73%) eyes at 6 months, and 3 of 3 at 12 months. No postoperative inflammation, hypotony or subsequent scar formation was observed in any of the rabbits.

Paper Details

Date Published: 15 February 1994
PDF: 5 pages
Proc. SPIE 2079, Laser Applications in Ophthalmology, (15 February 1994); doi: 10.1117/12.168720
Show Author Affiliations
Sandor G. Vari, Cedars-Sinai Medical Ctr. (United States)
Vani R. Pergadia, Cedars-Sinai Medical Ctr. (United States)
Wendy J. Snyder, Cedars-Sinai Medical Ctr. (United States)
Thanassis Papaioannou, Cedars-Sinai Medical Ctr. (United States)
William Fein, Cedars-Sinai Medical Ctr. (United States)
Michael C. Fishbein, Cedars-Sinai Medical Ctr. (United States)
Wei-Qiang Shi, Cedars-Sinai Medical Ctr. (United States)
M. D. Dhondt, Cedars-Sinai Medical Ctr. (United States)
Warren S. Grundfest, Cedars-Sinai Medical Ctr. (United States)


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

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