良好的局部麻醉是眼科手术成功的保障。传统的球后麻醉在既往和目前的眼科许多手术当中一直被沿用,其具有使眼球完全麻醉、眼外肌松弛、眼压降低的满意效果。但是这种方法有一定的危险性及并发症。采用眼球筋膜囊下麻醉,可避免并发症,且可获得与球后麻醉同样的镇痛效果。我科自 Good local anesthesia is a guarantee of successful ophthalmic surgery. Conventional posterior retrobulbar anesthesia has been used in many previous and current ophthalmic procedures, with satisfactory anesthesia, extraocular muscle relaxation, and reduced intraocular pressure. However, this method has some risks and complications. The use of subdural anesthesia can prevent complications, and obtain the same analgesic effect with the ball after anesthesia. My department from