Journal of the Korean Ophthalmological Society 1998;39(7):1478-1484.
Published online July 1, 1998.
Argon Laser Photocoagulation for Neovascularization in Retinal Vein Occlusion.
Un Kyoung Lee, Young Hoon Park, Duk Kee Hahn
Department of Ophthalmology, College of Medicine, Yeungnam University, Taegu, Korea.
망막정맥폐쇄의 합병성 망막신생혈관에 대한 안저광응고술의 효과
이언경(Un Kyoung Lee),박영훈(Young Hoon Park),한덕기(Duk Kee Hahn)
We performed a retrospective study of 47 patients(47 eyes) with retinal vein occlusion who had treated with laser photocoagulation for neovascularization from January 1991 through January 1992. Only cases with a minimum of one year follow up were included in this study. The majority of patients were 50 year old(78.7%). Sixteen patients were male(34%) and thirty one patients were female(66%). The proportion of branch retinal vein occlusion and central retinal vein occlusion was 74.5%, 25.5%, respectively. New vessles elsewhere were developed in 36 eyes(76.6%), new vessles on the disc in 7 eyes(14.9%), and 4 eyes(8.5%) had both types of neovascularization. The percents of regression in neovascularization was 72.3% which ranged from 84% for under 10 disc diameter area of retinal ischemia to 64% for over 10 disc diameter area of retinal ischemia. Vitreous hemorrhage occured in 12 eyes(25.5%) within 1 year and especially when ischemic area was over 10 disc diameters and associated with systemic vascular diseases.
Key Words: Neovascularization;Photocoagulation;Retinal vein occlusion

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