Question: Which muscles open and close the eyelid?
Answer: The orbicularis muscle closes the eye and is innervated by CN7. The levator palpebrae opens the eye and is innervated by CN3.
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1 Comment
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thats why facial nerve palsy patient cant close their eyes and occulomotor palsy cant open their their eyes……
Comment by satish koirala — March 23, 2010 @ 3:58 am
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