Objective To evaluate the long-term efficacy and complication of laser chorioretinal venous anastomosis (CRVA) for retinal vein occlusion (RVO).

要目的评价激光视静吻合（CRVA）术后≥2年的视静阻塞患者的疗效和并。

Objective To observe the characteristics of fundus images and fluorescin angiography (FFA) in diabetic retinopathy (DR) combined with retinal vein occlusion (RVO).

要目的分析糖尿病视病变(DR)合并视静阻塞(RVO)的眼底特征和荧光素眼底血管造影(FFA)的图像特征。