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What is Cotton wool spots are commonly seen in A/E - and explain in detail?
Cotton wool spots are fluffy white lesions and represent the areas of infarcts in the nerve fibre layer. These occur due to ischaemia caused by capillary obliterations in severe hypeensive retinopathy. Due to their cotton wool feathery appearance they are also termed as soft exudates (misnomer) Ref;A.K.Khurana; 6th edition; Page no: 274