Ancillary testing is not usually necessary to make the diagnosis. Fluorescein angiography reveals an abrupt diminution in dye at the site of the obstruction. Visual field testing can confirm the extent of visual loss.
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