What is coats disease?

Coats disease, also known as Exudative Retinitis, is an uncommon eye condition which affects the smaller blood vessels (capillaries) found in your retina – the light sensitive layer which lines the inside of your eye. Coats disease can make these blood vessels weak and also causes incorrect growth, which leads to fluid and blood being leaked under your retina. The cells of your retina are then unable to work correctly and your sight is affected.

Coats disease usually occurs in children or teenagers under the age of 18 but most often before the age of 10. It affects boys more than girls, and most children with Coats disease only have the retinal changes in one eye.

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