糖尿病视网膜病变(diabetic retinopathy,DR)是主要致盲眼病之一。研究表明,约70%糖尿病患者出现全身小血管和微血管病变。眼底检查是诊断糖尿病视网膜病变最常用的方法,但对微小病变及视网膜轻度改变不能全面了解。糖尿病以微血管病变为主,荧光素眼底 Diabetic retinopathy (DR) is one of the major causes of blindness. Research shows that about 70% of diabetic patients with systemic small vessel and microvascular disease. Fundus examination is the most commonly used method for the diagnosis of diabetic retinopathy, but can not fully understand the minor changes and mild changes of the retina. Diabetes microvascular disease mainly fluorescein fundus