Korean J Ophthalmol > Volume 13(1); 1999 > Article
Korean Journal of Ophthalmology 1999;13(1):30-35.
DOI: https://doi.org/10.3341/kjo.1999.13.1.30    Published online June 30, 1999.
Surgical treatment of subretinal neovascular membrane.
Kyu Hyeong Park, Hyeong Gon Yu, Young Sik Yu, Ki Ho Park, Hum Chung, Jaeheung Lee
Department of Ophthalmology, College of Medicine, Seoul National University, Korea.
The visual results of laser photocoagulation for subfoveal choroidal neovascular membrane (CNVM) has not always been satisfactory. The surgical removal of the neovascular membrane may be another treatment option. To investigate the prognosis and risk factors of this surgery, we analyzed the results of surgical removal of subfoveal CNVM (23 eyes), subfoveal hemorrhage with CNVM (6 eyes), and subfoveal hemorrhage alone (6 eyes). The mean follow-up period was 17.7 months (range 2 to 47 months). The mean preoperative membrane size was 0.89 disc diameter and the mean postoperative retinal pigment epithelial (RPE) defect size was 1.33 disc diameter. Visual improvement was observed in 13 out of the 23 eyes (56.5%) with sufoveal CNVM, four out of the six eyes (66.6%) with subretinal hemorrhage and CNVM, and five out of the six eyes (83.3%) with subretinal hemorrhage only. The visual outcome of subfoveal CNVM surgery was related to the presence of a subfoveal RPE defect (p = 0.005) rather than to the size of the RPE defect. No recurrence of neovascular membrane was observed during the follow up period. In conclusion, surgical removal may be a good alternative treatment for subfoveal CNVM.
Key Words: Laser photocoagulation;Subfoveal neovascular membrane;Subfoveal surgery;Subfoveal RPE defect

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