"Lutz posterior internuclear ophthalmoplegia"
"microvascular (e.g. diabetes mellitus)"
"subarachnoid space pathology (e.g. subarachnoid haemorrhage, meningitis, neurosarcoidosis, neoplasm)"
"cavernous sinus pathology (e.g. cavernous sinus thrombosis, intracavernous internal carotid artery aneurysm)"
"pontine pathology (e.g. stroke, neoplasm, multiple sclerosis)"