Transscleral cyclophotocoagulation: an in-vivo examination of lesion formation

Babak Nemati; Henry Grady Rylander III; Ashley J. Welch

doi:10.1117/12.147531

24 June 1993 Transscleral cyclophotocoagulation: an in-vivo examination of lesion formation

Babak Nemati, Henry Grady Rylander III, Ashley J. Welch

Proceedings Volume 1877, Ophthalmic Technologies III; (1993) https://doi.org/10.1117/12.147531
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

A number of studies have supported the efficacy of transscleral cyclophotocoagulation in reducing intraocular pressure in human eyes that are refractory to medical or traditional surgical treatments. Due to its recent history, however, no information has yet been made available on optimal exposure parameters for this treatment modality. An 810 nm diode laser was used to examine lesion formation during transscleral irradiation and compared to those reported for the Nd:YAG laser. A large sector iridectomy was performed on the eye, and a slit lamp delivery system combined with a digital image acquisition system (time resolution of 17 milliseconds) were used to view the ciliary body before, during, and after cyclophotocoagulation. The data obtained provide a basis for an in-vivo examination of lesion morphology as well as the underlying mechanism of ciliary destruction using the two laser sources.

Citation Download Citation

Babak Nemati, Henry Grady Rylander III, and Ashley J. Welch "Transscleral cyclophotocoagulation: an in-vivo examination of lesion formation", Proc. SPIE 1877, Ophthalmic Technologies III, (24 June 1993); https://doi.org/10.1117/12.147531

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