面肌痉挛是一种局限性肌张力障碍性神经疾病 ,临床表现为一侧面肌不自主地抽搐 ,且无法自控 ,发作时随意运动受限如眼睑抽动 ,睁眼困难 ,口角歪斜 ,少数患者抽搐时伴有面部轻度疼痛 ,可伴有头痛 ,患侧耳鸣。面肌痉挛患者抽搐的程度轻重不等 ,因疲倦 ,精神紧张而加重 ,但在入睡? Hemifacial spasm is a localized dystonia, a clinical manifestation of involuntary facial seizures and uncontrollable, episodes of restricted movement such as eyelid twitching, difficulty in opening his eyes, skew in his mouth, a small number of patients with convulsions When accompanied by mild facial pain, may be associated with headache, ipsilateral tinnitus. Hemifacient spasm in patients with varying degrees of severity, due to fatigue, mental stress and aggravating, but falling asleep?