1临床资料1993年以来，笔者接收治疗了通过眼科检查、荧光眼底血管造影及全身系统检查，确诊为糖尿病住机网膜病变（D、R）资料完整的病人43例。其中男23例，女20例；年龄最小42岁，最大76岁，平均56．5岁。均为双眼患病。临床表现：患者起初可无症状，随病情进展，多有眼前黑 1 Clinical data Since 1993, the author received treatment through ophthalmic examination, fluorescence fundus angiography and systemic examination, diagnosed as diabetic retinopathy (D, R) data of 43 patients with complete data. Including 23 males and 20 females; the youngest 42 years old, maximum 76 years old, average 56.5 years old. Both eyes sick. Clinical manifestations: The patient may initially be asymptomatic, with the progression of the disease, many eyes black