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Transscleral application of a semiconductor diode laser
Author(s) -
Peyman Gholam A.,
Naguib Khaled S.,
Gaasterland Douglas
Publication year - 1990
Publication title -
lasers in surgery and medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.888
H-Index - 112
eISSN - 1096-9101
pISSN - 0196-8092
DOI - 10.1002/lsm.1900100609
Subject(s) - ciliary body , sclera , laser , laser coagulation , retinal , retina , diode , medicine , ophthalmology , materials science , optics , anatomy , optoelectronics , visual acuity , physics
Abstract We used a diode laser with an output power of 1 W through a fiberoptic light pipe (200 μm diameter) to deliver laser energy through the sclera of pigmented rabbits. Ciliary body destruction occurred with energy levels of 300–400 mW and exposure time of 0.5 sec. Retinal photocoagulation was achieved with energy levels of 200–500 mW in 0.5 sec. Histologic examination of acute lesions demonstrated thermal destruction of ciliary body processes and retina. Chorioretinal scar formation was observed clinically and histologically within 2–3 weeks. Our data indicate that the transscleral diode laser may be used for destruction of the ciliary body processes or peripheral retinal coagulation in pigmented eyes.