球后麻醉致暂时性黑曚一例报告总医院眼科强东芳白内障手术前球后注射麻醉剂是一项常规操作，一般是安全的。但也可以出现一些并发症。如眶内血种，视神经功能障碍，眼球穿孔等。作者遇一患者于球后注射麻醉剂约１０分钟后突然出现光感消失症状，在给予血管扩张剂等药治疗... Posterior bulb anesthesia caused by a temporary case of black 曚 report General Hospital ophthalmology Eastbourne cataract surgery before injection of anesthetic is a routine operation, is generally safe. But some complications can also occur. Such as blood in the orbit, optic nerve dysfunction, eye piercing and so on. The author encountered a patient in the ball after injection of anesthetic about 10 minutes after the sudden loss of sensory symptoms of light, given vasodilators and other drug treatment ...