“…In the majority of cases, the visual aura precedes the onset of headache but in selected cases can accompany the headache and be prolonged or can occur without headache. Studies have demonstrated considerable overlap between the symptoms of migraine headaches and SRC (30,43). Although acute SRC patients rarely meet the International Classification of Headache Disorders (ICHD)-3-beta criteria for migraine headaches, symptoms, such as headache, nausea, photophobia, phonophobia, and blurred vision, are commonly endorsed by these patients.…”