Assertion: blepharospasm | /r/HasSubevent | twitch
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Source sentences:
text: A blepharospasm (from Greek: blepharo, eyelid, and spasm, (or bletharospasm or Bruegel's syndrome ) is an uncontrolled muscle contraction of the orbicularis muscles of the eyes, resulting in an abnormal tic or twitch of the eyelid which may seem similar to be voluntary winking.