Causes of vision decline at forepart had something to do with some factors such as corneal edemaretinal hemorrhage vitreous body turbidity stuffing in vitreous cavity.
早期视力下降的原因与术后角膜水肿，视网膜出血，玻璃体混浊、玻璃体腔内填充物等因素有关。
2
Objective: To study the biologic effect of laser on retinaledema.
目的：初步研究激光对水肿视网膜的生物效应。
3
Conclusion Radial optic neurotomy has therapeutic effect for macular edema and retinal hemorrhage in central retinal vein occlusion, it can improve the vision in some case.