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作为糖尿病的眼部合并症的糖尿病性视网膜病变,其病变以微血管改变为主,且与全身的小血管病变相一致。糖尿病性视网膜病变时,眼底检查即可直接观察到病变进展的程度,这不仅对视力的预后,且对疾病进行的状况和预后,均在临床上有重要意义。了解糖尿病进行程度的检查有多种方法。最近有一种新的检查法,即测定血红蛋白A_1(Hb-A_1)值,很引人注目。糖尿病患者Hb-A_1值比正常人明显增高,且与空腹血糖值有相关性。作者对观察3～4年的糖尿病性视网膜病变患者测定Hb-A_1值,且对照空腹血糖值,追踪视网膜病变的进展与Hb-A_1的关系。
Diabetic retinopathy, which is an ocular complication of diabetes, is characterized mainly by microvascular changes and is consistent with systemic small vessel disease. Diabetic retinopathy, fundus examination can directly observe the extent of lesion progression, which not only for the prognosis of vision, and the status of the disease and prognosis, are clinically important. There are many ways to understand the extent of diabetes. Recently a new test method, that is, the determination of hemoglobin A_1 (Hb-A_1) value, very attractive. The value of Hb-A_1 in diabetic patients was significantly higher than that in normal subjects and correlated with fasting blood glucose. The authors observed 3 to 4 years of diabetic retinopathy in patients with Hb-A_1 value, and control of fasting blood glucose levels, follow-up of retinopathy and Hb-A_1 relationship.