Cheng Lingyun , Fan Xueding
  • Dept.of Ophthalmology, First Affiliated Hospital, Shanxi Medical College;
Argon laser; Retinal pigment epithelium
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Severely coagulated retinae by argon laser of 20 Chinese hamsters were investigated with transmission electron-microscopy. The results revealed destruction of retinal pigment epithelium-Bruch's membrane-choroid capillary complex at the coagulated foci, and leakage of fluid and blood cells through the choroidal vessels into the subretinal space. Several days after laser burn the subretinal fluid was found to subside and the RPE cells surrounding the burned lesions started to proliferate. The smaller lesions were covered by the proliferating RPE 10 days after coagulation, but poor regeneration of RPE in large necrotic areas. Neovascularization was usually associated with obvious defect of Bruch's membrane and restoration of RPE barrier was most likely impossible. （Chin J Ocul Fundus Dis,1992,8:14-16）

Citation： Cheng Lingyun,Fan Xueding. REPAIR OF THE RETINAL PIGMENT EPITHELIAL BARRIER FOLLOWING SEVERE ARGON LASER PHOTOCOAGULATION. Chinese Journal of Ocular Fundus Diseases, 1992, 8(1): 14-16. doi: Copy