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Related Experiment Videos

Persistent positive visual phenomena in migraine

G T Liu1, N J Schatz, S L Galetta

  • 1Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia 19104, USA.

Neurology
|April 1, 1995
PubMed
Summary
This summary is machine-generated.

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Persistent visual disturbances like TV static or snow can occur after migraine attacks. These simple visual phenomena, affecting the entire visual field, lasted months to years in ten patients, with normal neurological exams and unsuccessful treatments.

Area of Science:

  • Neurology
  • Ophthalmology
  • Neuroscience

Background:

  • Migraine is a common neurological disorder.
  • Visual disturbances are a known symptom of migraine.
  • Persistent visual phenomena are rare complications.

Observation:

  • Ten patients experienced persistent positive visual phenomena after migraine.
  • Symptoms included TV static, snow, dots, and rain across the visual field.
  • These visual disturbances lasted for months to years.

Findings:

  • Neurological and ophthalmological examinations were normal in affected patients.
  • Electroencephalograms (EEGs) were normal in most patients tested.
  • Magnetic Resonance Imaging (MRI) revealed abnormalities in only two patients.

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Implications:

  • This study highlights an unusual complication of migraine.
  • Persistent visual phenomena may require further investigation.
  • Current treatments were unsuccessful for this condition.