Synonyms : Fourth Cranial Nerve Palsy, Fourth Nerve Palsy, Neurogenic Superior Oblique Palsy, Superior Oblique Myokymia, Superior Oblique Palsy, Neurogenic, Trochlear Nerve Disorders, Trochlear Nerve Palsy, Trochlear Neuropathy, Fourth Nerve Palsies, Neuropathy, Trochlear