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Related Experiment Videos

Organic convergence spasm.

R J Guiloff, A Whiteley, R E Kelly

    Acta Neurologica Scandinavica
    |April 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Convergence spasm, often mistaken for hysteria, can be linked to organic neurological conditions. This study highlights a case associated with diphenylhydantoin intoxication, suggesting broader neurological causes.

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    Area of Science:

    • Neurology
    • Ophthalmology

    Background:

    • Convergence spasm is historically viewed as a psychogenic disorder.
    • Organic causes for convergence spasm are less commonly recognized.

    Observation:

    • A case of convergence spasm occurred in a patient with diphenylhydantoin (phenytoin) intoxication.
    • This presentation prompted a review of known organic associations.

    Findings:

    • Convergence spasm can manifest with significant organic neurological diseases.
    • Affected neurological areas include cerebral hemispheres and brain-stem.

    Implications:

    • The differential diagnosis of convergence spasm should include organic neurological conditions.
    • Diphenylhydantoin intoxication represents a potential iatrogenic cause.
    • Further investigation into neurological associations is warranted.