Eye stroke, also known as retinal artery occlusion or retinal vein occlusion, is a condition that occurs when the blood flow to the retina is disrupted, leading to a sudden loss of vision. This debilitating condition requires prompt medical attention to prevent irreversible damage to the retina. According to MedicalNewsToday, This article discuss the causes of eye strokes and the factors that contribute to their occurrence.
Diabetic retinopathy, is a complication of diabetes that can increase the risk of eye strokes. High blood sugar levels in diabetes damage the small blood vessels in the retina, leading to the development of abnormalities such as microaneurysms, hemorrhages, and vessel occlusion. These changes can cause retinal artery or vein occlusion and subsequent vision loss.
Atherosclerosis, a condition characterized by the buildup of fatty deposits in the arteries, is a leading cause of eye strokes. When plaques develop in the arteries supplying blood to the retina, they can obstruct blood flow and result in retinal artery occlusion. Atherosclerosis is often associated with other risk factors such as hypertension, diabetes, smoking, and high cholesterol levels.
Other factors that can contribute to eye strokes include high blood pressure (hypertension), blood disorders like sickle cell disease, coagulation disorders, and certain medications. Hypertension can lead to damage and narrowing of the blood vessels supplying the eyes, increasing the risk of occlusion. Blood disorders that affect blood clotting or the shape of red blood cells can predispose individuals to eye strokes. Additionally, some medications, such as certain oral contraceptives or vasoconstrictors, can potentially increase the risk of eye strokes.
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