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What does a migraine aura look like?

An aura typically begins with flashes of light in the center of your field of vision, usually in the form of zigzag lines, which are moving and growing to the side. Many people describe it as similar to a strobe light flashing. The wide variety of manifestations of visual auras are classified into three groups:

  • Negative  − subtractions from visual field (blind spots, hemianopia)
  • Positive  − false visual images (flashes, fragmented vision, distortions)
  • Complex shapes − altered images, for example color (dyschromatopsia) or size of objects change

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