scintillating scotoma


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Noun1.scintillating scotoma - a localized area of diminished vision edged by shimmering colored lights; in many people it indicates the onset of migraine
scotoma - an isolated area of diminished vision within the visual field
References in periodicals archive ?
The most common positive visual phenomena is scintillating scotoma. Clinical signs in mirgarine includes cranial or cervical muscle tenderness, Horner Syndrome, conjectival injection, tachycardia or bradycardia, hypertension or hypotension, hemisensory or hemiparesis.
The episodes are reportedly always similar in nature, with an expanding scintillating scotoma and without subsequent headache.
Her migraines occur about once a month, and she reports classic symptoms of aura, scintillating scotoma, right retroorbital pain, and nausea.