自发性脸痉挛是眼轮匝肌的不自主紧张性痉挛运动。一般发病于50～60岁;使一侧或双侧眼睑出现进行性霎眼动作,影响工作。有的病人时伴有面肌痉挛、头颈倾斜和痉挛性发音困难。本病原因尚不清楚。当前倡行的学说是:在面神经核平面以上的脑皮层区或是延髓的网状结构部分有运动抑制性病变。这一点似与进行性核上麻痹,帕金森氏综合症,以及脑炎后的病态有相同点。 Spontaneous facial spasms are involuntary muscle spasms of the orbicularis oculi muscle. The general incidence of 50 to 60 years of age; so that one or both sides of the eyelid appear blink of an eye, affecting the work. Some patients with hemifacial spasm, head and neck tilt and spasmodic dysphonia. The cause of the disease is not clear. The current advocacy of the doctrine is: in the facial nerve plane above the cortical area or medulla oblongata part of the motor inhibition of disease. This is similar to progressive supranuclear palsy, Parkinson’s disease, and morbidity after encephalitis.