The Eyes Have It: Retinal Hemorrhages

Shape	Mechanism	Common Associated Conditions
Dot Hemorrhage	Rupture of deep capillaries	Diabetes
Flame Hemorrhage	Rupture of superficial pre-capillary arterioles, small veins	Systemic hypertension, leukemia, severe anemia, thrombocytopenia, retinal vein occlusion, trauma
Boat Hemorrhage	Rupture of large superficial retinal veins into the space between the retina and vitreous; sometimes these bleeds break into the vitreous cavity	Sudden increase in intracranial pressure, anemia, thrombocytopenia, trauma
Submacular Hemorrhage	Rupture of choroidal vessels under the fovea	Age-related macular degeneration
Vitreous Hemorrhage	Rupture of superficial retinal vessels or vessels on a fibrovascular stalk extending into the vitreous	Proliferative diabetic retinopathy, hypertension, trauma


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