Retinal migraine is usually characterized by attacks of fully reversible monocular visual loss associated with migraine headache. Retinal migraine is most common in women of child-bearing age who have a history of migraine with aura. In the typical attack, monocular visual features consist of partial or complete visual loss lasting less than 1h. Although the current diagnostic criteria for retinal migraine require fully reversible visual loss, our findings suggest that irreversible visual loss is part of the retinal migraine spectrum. Nearly half of reported cases with recurrent transient monocular visual loss subsequently experienced permanent monocular visual loss.
Keywords: Aura; Migraine associated with monocular visual symptoms; Monocular visual disturbance; Negative visual phenomena; Ocular migraine; Positive visual phenomena; Retinal migraine; Spreading depression; Transient monocular blindness.
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