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KembaraXtra - Medical Terms - acute retinal necrosis (ARN) Acute retinal necrosis (ARN) is a severe eye condition characterized by inflammation and destruction of the retina, the light-sensitive tissue at the back of the eye. It is associated with inflammation and blockage of retinal blood vessels, bleeding within the eye, and eventual death of retinal tissue.


The condition may affect one or both eyes, and when both eyes are involved it is referred to as bilateral acute retinal necrosis (BARN). ARN is most commonly linked to viral infections and often leads to poor visual outcomes due to complications such as retinal detachment. Early diagnosis and treatment are crucial to preserve as much vision as possible.

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