眼睛抽搐、良性特发性眼睑痉挛和偏侧面肌痉挛这几个术语常被混用于三种不同医疗状况中的任何一种。任一类型的抽搐或痉挛都是由不同原因导致。
眼睑抽搐（肌纤维颤搐）仅影响眼睑。这种类型的抽搐或痉挛非常常见，大多数人都会在某一时期发生。它可以影响上眼睑或下眼睑，但通常一次只影响一只眼睛。眼睛抽搐的影响可以从几乎没感觉到令人烦恼。抽搐通常在短时间内消失，但可能在几小时、几天或更长时间内反复出现。
良性特发性眼睑痉挛开始是双眼眨眼次数增多，可能发展到眼皮被挤闭。这种类型的眼睛抽搐比较少见，但可能非常严重，影响生活的方方面面。
偏侧面肌痉挛涉及面部一侧肌肉（包括眼睑）抽搐。
Jan. 16, 2021
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