患者男,53岁,1993年7月曾因左眼视网膜颞上分支动脉阻塞而住院,予以654-2、肌苷、维生素B_1等治疗,出院时左眼视力0.3。10月份双星明散瞳复查时,引起左眼闭角型青光眼急性发作,而于11月份再次入院治疗。术前左眼视力0.2。于1993年11月6日局麻下行左眼虹膜根部切除术。术中予以利多卡因2ml球后麻醉。麻醉完毕后,病人突然诉说视物不 The patient, male, aged 53, was hospitalized in July 1993 for obstruction of the superior temporal retinal branch artery and was treated with 654-2, inosine, and vitamin B_1. Left eye vision at discharge was 0.3.3. , Causing acute left angle closure glaucoma, and again in November hospitalized. Preoperative left eye vision 0.2. On November 6, 1993 local anesthesia left iris root resection. Intraoperative Lidocaine 2ml ball anesthesia. After anesthesia, the patient suddenly said that the visual does not