and the trochlear nerve (CN IV), it provides movement to the muscles around the eyeball rather than attaching to the eye itself. Humans have 12 cranial nerves that exist in generally symmetrical ...

The ophthalmic nerve exchanges nerve fibers with the three motor nerves of the eye including the trochlear nerve ... Anticonvulsants and muscle relaxants are prescribed to block the pain signals ...

People with MS may experience a variety of vision issues, including inflammation of the optic nerve, double vision, and involuntary twitching of the eye muscles. Multiple sclerosis (MS ...