Abrupt painless loss of vision in the visual field corresponding to territory of the obstructed<unk>  is the typical history of presentation. Patients can typically define the time and extent of visual loss precisely. Retinal whitening that corresponds to the area of ischemia is the most notable finding. In chronic phase the retinal whitening disappears.
Branch retinal artery occlusion
Branch retinal vein occlusion
Retinal vasculitis
Central retinal artery occlusion
Central retinal vein occlusion
Arteritic anterior ischemic optic neuropathy
Autoimmune optic neuropathy
Ischemic optic neuropathy