모야모야병(Moyamoya disease)에서 발생한 안동맥폐쇄 1예

A Case of Ophthalmic Artery Occlusion in Moyamoya Disease

Purpose: We report a case of ophthalmic artery occlusion at Moyamoya disease Method: A 64-year-old man who had followed up neurosurgical clinic after diagnosed with Moyamoya disease ten months before presented with sudden visual loss in his right eye. Generalized ophthalmic examinations including fluorescein angiography (FA), electroretinography (ERG) were performed. Results: At the first visit, corrected visual acuity was counting fingers at 30cm of right eye, 0.8 of left eye. Right eye presented relative afferent pupillary defect. Dilated fundus examination revealed a pale posterior pole and cherry-red spot at right eye. FA demonstrated choroidal filling delay and prolonged arteriovenous transit time. ERG demonstrated decreased amplitude of a and b wave. Twenty months after the initial visit, retinal arterial attenuation and a pale optic disc were revealed.