What causes a red spot on the eye?
A red spot on the eye may look worrying, but it is rarely a medical emergency. Usually, a red spot on the eye occurs when blood collects under the conjunctiva due to a subconjunctival hemorrhage. A red spot on the eye, or subconjunctival hemorrhage, usually occurs as a result of increased blood pressure. In some cases, subconjunctival hemorrhages can appear without any identifiable cause. Rare causes of subconjunctival hemorrhages include: high blood pressure taking blood thinners medical disorders that cause bleeding and diabetes Diabetic Retinopathy Diabetic Retinopathy can also lead to a red spot on the eye. This occurs when blood vessels in the eye break due to high blood sugar levels. Blood from broken or leaking vessels can cause "floaters" or dark spots in the vision. People may not realize they have diabetic retinopathy until it affects their vision. Symptoms of diabetic retinopathy include: floaters blurred vision re...
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