患者,女,67岁,农民,因左眼老年性白内障而入院。既往无消化道病史,于1994年4月16日在局麻下行冰冻白内障囊内摘除术。术中顺利,术后当晚因病人感术眼疼痛,值班非眼科医生给予肌注杜冷丁50mg,疼痛缓解。30 Patient, female, 67 years old, farmer, hospitalized for left-eye senile cataract. Past history without gastrointestinal tract, in April 16, 1994 under local anesthesia frozen cataract cyst excision. Surgery smoothly, the night after surgery because of the patient’s sense of pain eye surgery, on-duty non-ophthalmologist intramuscular injection of pethidine 50mg, pain relief. 30