Preliminary results of human scleral ablation in vitro with Ho:YAG laser

Vani R. Pergadia; Sandor G. Vari M.D.; Michael C. Fishbein M.D.; Wei-Qiang Shi; Warren S. Grundfest M.D.

doi:10.1117/12.168738

15 February 1994 Preliminary results of human scleral ablation in vitro with Ho:YAG laser

Vani R. Pergadia, Sandor G. Vari M.D., Michael C. Fishbein M.D., Wei-Qiang Shi, Warren S. Grundfest M.D.

Author Affiliations +

Proceedings Volume 2079, Laser Applications in Ophthalmology; (1994) https://doi.org/10.1117/12.168738
Event: Europto Biomedical Optics '93, 1993, Budapest, Hungary

Abstract

This study evaluated the effect of the Ho:YAG laser operating at a wavelength of 2.1 micrometers and a repetition rate of 2 Hz on a human scleral tissue. The effects were assessed in terms of the ablation rate (micrometers /pulse) and the thermal damage (micrometers ) induced. The results were compared to those found from porcine scleral ablation. Data indicate that for the pulsed Ho:YAG laser, the ablation rate of scleral tissue increases linearly with laser fluence. The ablation rates are about 40% lower for the human scleral tissue than for the porcine scleral tissue at the same fluences. Data indicate that the mean Ho:YAG laser induced thermal damage is not significantly affected by varying the fluence.

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Vani R. Pergadia, Sandor G. Vari M.D., Michael C. Fishbein M.D., Wei-Qiang Shi, and Warren S. Grundfest M.D. "Preliminary results of human scleral ablation in vitro with Ho:YAG laser", Proc. SPIE 2079, Laser Applications in Ophthalmology, (15 February 1994); https://doi.org/10.1117/12.168738

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