Retinal arteriolar spasm during transient monocular visual loss in eosinophilic vasculitis.

A patient with eosinophilic vasculitis and acquired immunodeficiency syndrome (AIDS) developed episodic transient monocular visual loss. During or immediately after two visual loss episodes, we demonstrated narrowed retinal arterioles, delayed arterial filling time, and segmented retinal venous flow in the affected eye on fundus photography and fluorescein angiography (FA). Such findings have only rarely been reported in patients with transient monocular visual loss in other conditions, probably because the episodes have ended before fundus photography and FA could be performed. This is the first report to capture retinal vascular changes associated with transient monocular visual loss in a patient with eosinophilic vasculitis.

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