In general,<unk>  has a good prognosis: after 1 year 50–60% of eyes have been reported to have a final visual acuity of 20/40 or better even without any treatment. With time the dramatic picture of an acute<unk>  becomes more subtle, hemorrhages fade so that the retina can look almost normal. Collateral vessels develop to help drain the affected area.
Branch retinal vein occlusion
Branch retinal artery occlusion
Retinal vasculitis
Central retinal vein occlusion
Central retinal artery occlusion
Arteritic anterior ischemic optic neuropathy
Retinal haemorrhage
Autoimmune optic neuropathy