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Related Experiment Videos

Postictal blindness in adults.

M Sadeh, Y Goldhammer, A Kuritsky

    Journal of Neurology, Neurosurgery, and Psychiatry
    |June 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Cortical blindness can occur after grand mal seizures. While often temporary, this vision loss may go unrecognized due to patient unawareness or denial, with cerebral hypoxia as a likely cause.

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    Area of Science:

    • Neurology
    • Ophthalmology

    Background:

    • Grand mal seizures can have diverse etiologies, including epilepsy, vascular events, and encephalitis.
    • Cortical blindness is a rare but significant neurological complication following seizures.

    Observation:

    • Five adult patients presented with transient cortical blindness post-grand mal seizure.
    • Underlying causes for seizures varied, encompassing idiopathic epilepsy, vascular accident, brain cyst, and acute or chronic encephalitis.

    Findings:

    • One patient experienced permanent vision loss, while the other four recovered within days.
    • A significant proportion of patients were unaware of or denied their blindness, suggesting underdiagnosis.

    Implications:

    • Cerebral hypoxia is hypothesized as the primary mechanism leading to post-seizure cortical blindness.

    Related Experiment Videos

  • Clinicians should consider visual field testing in patients experiencing seizures, especially if neurological deficits are suspected.
  • Increased awareness may improve recognition and management of this underreported complication.