Scotoma
Medical term · S
A blank spot in the visual field that is sometimes evident during the aura of a migraine headache.
Related terms
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Migraine headacheA severe headache with pain that usually begins on one side of the head. Symptoms may include visual disturbances (called aura), nausea, vomiting, and sensitivity to light or…
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Visual fieldThe full scope of what the eye sees; includes central and peripheral vision.
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AuraSensations such as chills, flashes of light, or a blind spot that come just before the occurrence of medical problems such as migraines or seizures.