闭角型青光眼急性发作时,虹膜出现节段性萎缩是临床常见的体征,但缺少血管闭塞梗死的组织病理证据,现将所见一例报告如下。向某、男、50岁,1981年11月6日入院。右眼痛、头痛、恶心,视力显著下降半月。右眼睑稍肿胀,眼球混合充血,角膜水肿,角膜后除色素性 KP 外尚有横行排列的灰色条状、片状 KP,房水闪光(+)。靠近卷缩轮以外的睫状区虹膜,鼻侧颞侧各有一纵行的中间宽两端窄近似新月形萎缩区,色素脱落露出灰白色基质。瞳孔呈竖椭圆形散大对光无反应,瞳孔区晶状体前囊下有数块乳白色青光眼斑。前房角镜见右眼上部房角关 Acute episodes of angle-closure glaucoma, segmental atrophy of the iris is a common clinical signs, but the lack of histopathological evidence of vascular occlusion of the infarction, the findings will now see a case as follows. To a, male, 50 years old, November 6, 1981 admission. Right eye pain, headache, nausea, visual acuity decreased by half a month. Right eyelid slightly swollen, mixed hyperemia eye, corneal edema, corneal except pigment KP there are still arranged in a row of gray bar, sheet KP, aqueous humor (+). Close to the ciliary iris outside the curling wheel, the temporal side of the nose with a long vertical center of both ends of the narrow crescent-shaped atrophy, pigmentation off the exposed white matrix. Pupil was vertical oval-shaped light did not respond to light, the pupil area before the lens sub-capsule a few blocks of white glaucoma spots. Gonioscopy see the upper right corner of the right eye off