retrocochlear disease +
cranial nerve disease +

cranial nerve malignant neoplasm +
cranial nerve palsy +
facial nerve disease +
glossopharyngeal nerve disease +
jaw-winking syndrome
ocular motility disease +
optic nerve disease +
third cranial nerve disease +
trigeminal nerve disease +
trochlear nerve disease

malignant neoplasm of acoustic nerve
vestibular neuronitis