nerve

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The oculomotor nerve has been involved frequently in 85% of cases, abducens nerve in 70% of cases, trochlear nerve in 29% of cases, and ophthalmic division of trigeminal nerve in 30% of cases [11], and periarterial sympathetic fibers were in 20% of cases that causes Horner's syndrome [12, 13].
These include optic nerve, oculomotor nerve, trochlear nerve, abducens nerve, and the ophthalmic branch of the trigeminal nerve.
13) Closed head trauma, where the back of the head is the first point of contact, may result in damage to the fasciculus of the trochlear nerve as it exits the dorsal aspect of the brain stem, leading to trochlear (IV) nerve palsy.