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

1.摘要光脉络膜视膜静脉吻合（CRVA）术后≥2年视膜静脉阻塞患者疗效和并发症。

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

2.摘要析糖尿病视膜病变(DR)合并视膜静脉阻塞(RVO)眼底特征和荧光素眼底血管造影(FFA)图像特征。