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1 病例资料 男,22岁。4年来因春季结膜炎,在每年春夏季节滴用氯霉素-地塞米松眼药水。于1998年9月因视物模糊再次就诊。查:右眼视力0.5,左眼1.0,双眼结膜充血,角膜清,房水清晰,角膜后未见沉淀物,周边前房深度为1角膜厚度（CK）,虹膜纹理清,瞳孔对光反应（+）,晶体清晰透明。眼底:左眼视神经盘色泽及生理凹陷范围均正常,杯盘比值0.3;右眼视神经盘颜色变淡,生理凹陷扩大,杯盘比值0.7。眼压:右眼45.76mmHg,左眼23.78 mmHg。视野检查:左眼视野正常,右眼生理盲点扩大。Seidel征阳性,周边部视野缩小在
1 case information male, 22 years old. 4 years due to spring conjunctivitis, drops of chloramphenicol - dexamethasone eye drops in the annual spring and summer seasons. In September 1998 due to blurred vision treatment again. Check: right eye 0.5, left eye 1.0, conjunctival congestion of both eyes, clear cornea, aqueous humor, no deposition after the cornea, the surrounding anterior chamber depth of 1 corneal thickness (CK), iris texture clear pupil light response +), The crystal clear and transparent. Fundus: The left optic nerve disc color and physiological depression range were normal, cup ratio 0.3; right optic disc discoloration, physiological depression expanded, cup ratio 0.7. Intraocular pressure: right eye 45.76mmHg, left eye 23.78 mmHg. Vision examination: normal left eye vision, right eye physiological blind spot expansion. Seidel sign positive, peripheral vision narrowed in