Retinal neovascularization, collaterals, and vascular shunts.
D000755:Anemia, Sickle Cell / Q000473:pathology; D001157:Arterial Occlusive Diseases / Q000473:pathology; D001164:Arteriovenous Fistula / Q000473:pathology; D001165:Arteriovenous Malformations / Q000473:pathology; D003097:Collateral Circulation; D003930:Diabetic Retinopathy / Q000473:pathology; D005451:Fluorescein Angiography; D006801:Humans; D008028:Light Coagulation; D009887:Ophthalmoscopy; D010101:Oxygen Consumption; D012164:Retinal Diseases / Q000175:diagnosis*; D012166:Retinal Hemorrhage / Q000517:prevention & control; D012171:Retinal Vessels; D014652:Vascular Diseases / Q000175:diagnosis