A member asked:

Please tell me what does fourth nerve palsy lead to ?

A doctor has provided 1 answer

Double vision: The fourth cranial nerve is the trochlear nerve. This coordinates the downward and inward rotation of the eye. Thus, a palsy leads to double vision particularly when looking downward. Patients have problems when going down stairs as this worsens the diploplia.

Answered 4/6/2017

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