![]() Clinical features of visual migraine aura: A systematic review. The ambiguous role of caffeine in migraine headache: From trigger to treatment. Pathophysiology of migraine: A disorder of sensory processing. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Small shapes or strings that eventually settle down and drift out of the line of vision When to see a doctor. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Learn more about reducing the risk of stroke. ![]() ![]() This may mean stopping smoking, avoiding oral contraceptives that contain estrogen or seeking treatment for other risk factors, such as high cholesterol. People who experience aura can take steps to lower their risk for stroke and heart disease. Positive symptoms (seeing something that isnt really there) include zig-zag lines which often shimmer (in color, or black/silver) and may move across the field. Migraine aura is also associated with a higher risk for coronary heart disease. According to a review in the British Medical Journal, ischemic stroke in people with migraine correlates with experiencing aura. It is important to note that migraine aura appear to be a risk factor for other health conditions. cardiac emboli, or occlusion of a brain blood vessel resulting from stroke.arterial emboli, or clots that hinder blood flow to an organ.This may indicate an underlying condition, such as: If someone experiences new or increasingly frequent aura episodes, they should also seek medical attention. sudden difficulty speaking or understanding things.The flashing lights often take on a herringbone pattern and are located in both eyes in the same field of gaze (as opposed to one eye only). sudden dizziness, difficulty walking, or loss of balance An ophthalmic migraine often includes zigzag lines, colored lights or flashes of lights expanding to one side of your vision over 10 to 30 minutes.sudden trouble seeing in one eye or both eyes.sudden numbness or weakness in the arms, legs, face, or down one side of the body.If a person has any of the following symptoms, call 911 or the number of the nearest emergency department: However, the migraine aura can resemble more serious conditions, such as a stroke. While the symptoms can be distressing, they are temporary. Migraine aura are usually not an immediate cause for concern.
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