一侧瞳孔散大、特别是短暂性、发作性时已被认为属于一种良性疾患,主要见于青年人。作者观察了7例典型偏头痛伴有发作性一侧瞳孔散大;7例均为女性,年龄5～53岁,发作持续时间15分钟～24小时,发作间隔期3个月至35年,全部均有头痛与视力模糊,除1例为外伤后头痛外,其余6例均呈典型偏头痛,6例有家族史。关于发作性一侧瞳孔散大与偏头痛的发生机理尚不清楚。Sunderland认为瞳孔散大可能的 One side of the mydriasis, especially transient, episodic has been considered to belong to a benign condition, mainly seen in young people. The authors observed seven cases of typical migraine with paroxysmal mydriasis; seven cases were female, aged 5 to 53 years, the duration of attack 15 minutes to 24 hours, the interval between the onset of 3 months to 35 years, all All had headache and blurred vision. Except for 1 case of post-traumatic headache, the remaining 6 cases showed typical migraine and 6 cases had family history. The pathogenesis of paroxysmal mydriasis and migraine is not clear. Sunderland thinks mydriasis is possible