what extraocular muscles are innervated by CN IV?
nan
The trochlear nerve (CN IV) is responsible for innervating the superior oblique muscle of the eye. The superior oblique muscle aids in rotational movement, primarily in the downward and inward direction of the eye. It is the only extraocular muscle that functions by pulling the eye posteriorly. Damage to the trochlear nerve can lead to double vision, difficulty with upward and downward gaze, and other visual disturbances.
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