一、临床资料患者男 ,2 9岁 ,运 - 5飞行员 ,飞行时间 10 0 0 h。2 0 0 0年 2月中旬 ,患者出现右上眼睑下垂 ,复视 ,且发作频率逐渐增加 ,睑下垂及复视程度逐渐加重。约半月后 ,每日发作 10余次 ,严重时 1h可发作数次。病前 1周有轻度煤气中毒史 ,发病后由航医把关未曾参加飞行 First, the clinical data Patient male, 29 years old, Yun - 5 pilots, flight time 100h. In mid-February 2000, the patient developed ptosis of the right upper eyelid and diplopia, and the frequency of seizures increased gradually. The degree of ptosis and diplopia gradually increased. About half a month after the attack more than 10 times a day, severe attack 1h can be several times. 1 week prior to the mild gas poisoning history, after the onset of the flight attendant has not participated in the flight