Dot and blot hemorrhages causes

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They may be surrounded by a ring of yellow lipid, or hard, exudates (double arrow). They appear as tiny red dots scattered in the retina posteriorly (single arrows). Microaneurysms are usually the earliest visible manifestation of diabetic retinopathy. What is Microaneurysms in diabetic retinopathy? Microaneurysms, identified clinically by ophthalmoscopy as deep-red dots varying from 15 m to 60 m in diameter, are most common in the posterior pole. Medical Retina The retinal capillary microaneurysm is usually the first visible sign of diabetic retinopathy. What do retinal Microaneurysms look like?

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Early treatment of Coats’ disease can reduce the extent of visual loss. Retinal macroaneurysms may resolve spontaneously by thrombosis, or may be associated with recurrent leakage with retinal and vitreous haemorrhage. As the first clinically evident sign of diabetic retinopathy, they are regarded as the hallmark of this eye disease. Any type of vascular disease or hypertension can contribute to the development of a retinal microaneurysm, however they have been firmly associated with diabetes.

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