MethodsRetrospectively analyzed the clinical data of fundus fluorescein angiography (FFA) and other related information of 1 521 patients who were diagnosed as DR.

• 方法 回顾分析 15 2 1例荧光素眼底血管造影 ( fundus fluorescein angiography,FFA)检查确诊的 DR患者的 FFA检查结果、病程、视力等临床资料。