Journal of the Korean Ophthalmological Society 1993;34(6):491-498.
Published online June 1, 1993.
An Experimental Study of Noncontact Transscleral Diode Laser Cyclophotocoagulation in Rabbits.
Ho Keol Lee, Un Sub Park, No Young Bae, Kyung Hwan Shyn
1Department of Ophthalmology, College of Medicine, Chungang University, Seoul, Korea.
2Department of Pathology, College of medlcine, Chungang University, Seoul, Korea.
가토에서 Diode Laser 를 이용한 비접촉성 경공막 모양체 광응고술의 실험적 연구
이호걸(Ho Keol Lee),박언섭(Un Sub Park),배노영(No Young Bae),신경환(Kyung Hwan Shyn)
Acute and long-term effects of the noncontact transscleral diode laser cyclophotocoagulation were studied in 6 pigmented rabbits used laser power level was 0.15J, 0.25J, 0.5J and 0.75J. Each eyeballs was enuleated 1.7 and 21 days after cyclophotocoagulation for histopathologic examination. The findings with diode laser were coagulation necrosis of pigmented epitihelium, nonpigmented epitihelium and stroma, congestion of vessel, pigment dispersion and detachment of pigment epithelium. Twenty one days after laser treatment, the light microscopic examination revealed atrophy of nonpigmented epithelium and pigmented epithelium, fibrosls, pigment laden macrophages. These changes were obvious in rabbits treated with a power more than 0.5J. It is suggested that noncontact trasnscleral cyclophotocoagulation with diode laser is useful in lowering intraocular pressure.
Key Words: Artopily;Coagulation necrosis;Cyclophotocoagulation;Diode laser;Uncontrolled glaucoma

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