In 1912, Leber described a case of multiple retinal aneurysms in a male child. Subsequently, shields et al. Defined the disease as "idiopathic retinal telangiectasia with intraretinal exudation or exudative retinal detachment" [9]. Its main features are: an idiopathic retinal vascular disease, accompanied by abnormal expansion of retinal capillaries and arterioles, intraretinal and / or retinal detachment Under exudation [2], serious can lead to exudative retinal detachment.<br>
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