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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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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