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Urticaria in idiopathic bilateral recurrent branch retinal arterial occlusion.

Idiopathic bilateral recurrent branch retinal arterial occlusion (IBRBRAO) is a rare syndrome characterized by migraine headaches, tinnitus, vertigo, hearing loss, and recurrent branch retinal artery occlusion of unknown etiology. Affected patients frequently undergo a wide range of medical evaluation and have no apparent pathologic findings. We present here a case of IBRBRAO, associated with urticarial rash, not described in this syndrome in previous publications.