患者男，56岁，因左眼剧痛、视力锐减，伴左侧偏头痛、恶心呕吐1天，于1993年4月27日初诊。患者于1月前开始口服减肥药盐酸安非没拉酮片，每次25mg，每日3次。服药1周后，患者发现左眼午后或晚间常出现一过性胀痛、视物模糊，经休息后好转，未予重视。发作渐频繁，仍继续服药至 Male patient, 56 years old, due to left eye pain, sharp vision loss, with left migraine, nausea and vomiting for 1 day, in April 27, 1993 newly diagnosed. Patients began oral administration of diet-reducing drug Amphetamine non-ketoprolol tablets 1 month ago, each time 25mg, 3 times a day. One week after taking the medicine, the patient often found transient pain or pain in the afternoon or evening of the left eye, blurred vision, improved after the break, and not taken seriously. The onset of more frequent, still continue to medication to