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作者检测了３０例（６０眼）正常人和５２例（１０４眼）糖尿病患者（无视网膜病者５２眼，非增殖型糖尿病视网膜病变５２眼）的图形视诱发电位（ＰＶＥＰ）。结果显示，糖尿病患者ＰＶＥＰ与正常组ＰＶＥＰ之间的差异有显著性（Ｐ＜０．０１），表现为巳。。潜伏期延长和风。。波幅值降低。Ｐ１００潜伏期延长与糖尿病病程呈显著正相关。在糖尿病组，ＰＶＥＰ的异常检出率为５８．７％，略高于眼底荧光血管造影术异常检出率（５４．５％）。因此，ＰＶＥＰ对糖尿病患者在尚无视网膜病变以及只有非增殖期视网膜损害者的检测，具有一定的临床应用价值。
The authors examined the pattern visual evoked potential (PVEP) in 30 eyes (60 eyes) of normal subjects and 52 eyes (104 eyes) of diabetics (52 eyes without retinopathy and 52 eyes with nonproliferative diabetic retinopathy). The results showed that there was a significant difference (P <0.01) between diabetic PVEP and normal PVEP. . Latency is prolonged. . Wave amplitude decreased. There was a significant positive correlation between P100 latency and duration of diabetes. In the diabetic group, the abnormal detection rate of PVEP was 58.7%, slightly higher than that of fundus fluorescein angiography (54.5%). Therefore, PVEP in diabetic patients without retinopathy, and only non-proliferative retinal damage detection, has some clinical value.