糖尿病视网膜病变分为背景型和增殖型两型。背景型主要病变有:(1) 微血管瘤:表现为散在或簇集的小米大的圆点。是糖尿病特有的改变,有经验的眼科医生看到微血管瘤,凭此就可诊断糖尿病。(2)硬性渗出:表现为边缘清楚、大小不等、开头不规则的白点或白斑,是视网膜水肿后神经组织分 Diabetic retinopathy is divided into two types of background and proliferative. Background type of major lesions are: (1) micro-hemangioma: the performance of scattered or clustered millet large dots. Is a unique change in diabetes, experienced ophthalmologists see microvascular tumors, which can be diagnosed with diabetes. (2) rigid exudation: the performance of a clear edge, size range, the beginning of irregular white spots or white spots, retinal edema is the nerve tissue points