Which of the following symptoms is uncommon in facial nerve lesions?

Which of the following symptoms is uncommon in facial nerve lesions?

Ptosis (drooping of the upper eyelid) is not a feature of facial nerve lesions. The elevators of the eyelids are not innervated by the facial nerve. However, a confusing sign seen in long-standing Bell’s palsy is narrowing of the palpebral fissure due to over-activity of the orbicularis oculi muscle. This can be associated with deepening of the naso-labial fold and a dimple in the chin.

Одобрено от Dr. Petya Stefanova

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