Congenital fourth nerve palsy is a condition present at birth characterized by a vertical misalignment of the eyes due to a weakness or paralysis of the superior oblique muscle.
Other names for fourth nerve palsy include superior oblique palsy and trochlear nerve palsy. When looking to the right/left the nerve/muscle isn't strong enough or is too long and the eye drifts up.
Read more about Congenital Fourth Nerve Palsy: Pathophysiology, Causes, Presentation, Treatment
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