post transsphenoidal surgery
post ethmoidal surgery
post carotid surgery
Ehlers Danlos syndrome
2. Visual loss is due to increased intraocular pressure or reverse of flow or thrombus in superior opthalmic vein (SOV). Balloon or coil occlusion has been reported (sometimes) to reverse blindness
3. On angiography, immediate opacification of carotid sinus is seen after carotid injection.
4.Clinical findings include III n palsy, lid swelling, tortuous veins, dis edema and visual loss.