皮质盲系各种因素所致大脑枕叶纹状区视觉皮质中枢严重损害,引起视力完全丧失。临床上多发生于婴幼儿急性感染或传染病过程中。最常见原因为中毒性脑病、脑外伤、脑血管疾患、脑肿瘤、药物和毒物中毒等。其临床特点为视力丧失,瞳孔光反射存在和眼底正常。我院于1976年9月—1985年4月共遇到急性中毒性脑病所致皮质盲4例,其原发病中中毒性菌痢1例,重症肺炎2例,病毒感染1例,治愈后视力均完全恢复,未留永久性后遗症,现报告如下。例1、李某,男,7岁,住院号5351。因高烧、腹泻10小时于1976年9月8日入院。体温38.8℃,脉搏98次,呼吸28次,血压90/70 Cortical blindness caused by various factors in the brain occipital lobe of the visual cortex serious damage to the brain, causing complete loss of vision. Clinically occurs in infants and young children with acute or infectious diseases. The most common causes are toxic encephalopathy, traumatic brain injury, cerebrovascular disease, brain tumor, drug and poison poisoning. The clinical features of loss of vision, pupil light reflex and fundus normal. Our hospital from September 1976 to April 1985 encountered a total of 4 cases of cortical blindness caused by acute toxic encephalopathy, the primary disease in one case of bacillary dysentery, severe pneumonia in 2 cases, 1 case of viral infection, after the cure Visual acuity were completely restored, leaving no permanent sequelae, are as follows. Example 1, Lee, male, 7 years old, hospital number 5351. Due to a high fever, diarrhea 10 hours on September 8, 1976 admission. Body temperature 38.8 ℃, pulse 98 times, breathing 28 times, blood pressure 90/70