Causes of retinal hemorrhage related to chronic illness?

Clot problems. Chronic illness that affects the clotting process can lead to increased retinal bleeding. Diabetes frequently causes retinal bleeding of several types. Retinal bleeding is seen in uncontrolled hypertension and some autoimmune diseases. It also can occur in vascular disease such as retinal strokes, and sickle cell anemia and also hematologic malignancies like leukemia.