Coats disease (CD) is an idiopathic disorder characterized by retinal telangiectasia with deposition of intraretinal or subretinal exudates, potentially leading to retinal detachment and unilateral blindness. CD is classically an isolated and unilateral condition affecting otherwise healthy young children. The disease is Coats disease (MONDO_0010269, a Monarch Disease Ontology entry). Also known as: Coats' disease, Coats' syndrome, Leber miliary aneurysm, congenital retinal telangiectasia, exudative retinopathy.