Damage to cranial nerves in the cavernous sinus leads to diplopia. Cranial nerve VI is often the first affected, leading to diplopia with lateral gaze. If cranial nerve V-1 is damaged, the patient will have pain and altered sensation over the front and top of the head.
Damage to certain cranial nerves in the cavernous sinus can lead to double vision. Cranial nerve VI is often the first affected, leading to double vision with lateral gaze. If cranial nerve V-1 sustains damage, the patient will experience pain and altered sensation over the front and top of the head.