<unk> , is a collection of cranial nerve deficits associated with a mass lesion near the<unk>  of the orbit of the eye. This<unk>  is a separate entity from Rochon–Duvigneaud<unk> , which occurs due to a lesion immediately anterior to the<unk> <unk> . Most commonly optic nerve is involved.
Orbital apex syndrome
Labyrinthine fistula
Labyrinthitis
Orbital blowout fracture
Rectovestibular fistula
Orbital cellulitis
Cavernous sinus thrombosis
Vestibular adenitis