Abstract
Some cerebral aneurysms cause visual dysfunction by comressing the optic pathways, although it is an uncommon symptom. ome previous reports described visual dysfunction caused by cereral aneurysms [1]. The aneurysms most commonly arise from he internal carotid, carotid-ophthalmic or anterior communicatng artery, and the visual symptoms are caused by compression f the anterior visual pathway of optic nerves and optic chiasms. ince the posterior visual pathway including the optic tract and ptic radiation also passes near the cerebral arteries anatomically, his portion could be impaired by cerebral aneurysms. A rare case f visual dysfunction caused by a posterior cerebral artery (PCA) neurysm was reported [2]. However, there is no report of visual isturbance caused by middle cerebral artery (MCA) aneurysm. We report a case of visual dysfunction of the right eye caused y a right MCA aneurysm.
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