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What is a visual migraine?

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A visual migraine is a migraine that includes a visual distortion for up to 30 minutes. The scotoma, or area of disruption, can be disjointed with shimmering or jagged edges, according to Brigham and Women’s Hospital. This disturbance is called an aura.

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Some individuals may experience an acephalgic migraine, which is a migraine with visual symptoms and no headache, according to Brigham and Women's Hospital. However, for other individuals, the headache can last for hours with symptoms such as noise sensitivity and queasiness.

Mayo Clinic explains that an ocular migraine is similar, as it affects vision after a migraine and lasts for about an hour. Similar to an ocular migrain is a retinal migraine, which affects only one eye. According to WebMD, as of 2014, experts aren’t sure what causes ocular migraines.

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