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Convergence spasm.

N J Sarkies, M D Sanders

    Transactions of the Ophthalmological Societies of the United Kingdom
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Convergence spasm, a near-response involving accommodation and miosis, can be diagnosed through clinical examination, differentiating it from other palsies. Extensive neurological investigation is often unnecessary, and treatment with cycloplegia and glasses may offer symptomatic relief.

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    Area of Science:

    • Ophthalmology
    • Neurology

    Background:

    • Convergence spasm is an eye movement disorder characterized by excessive convergence, often occurring during the near response.
    • It is typically accompanied by accommodation and miosis, and can be mistaken for other neurological conditions affecting eye movement.

    Purpose of the Study:

    • To evaluate the long-term prognosis of convergence spasm.
    • To determine the necessity of extensive neurological investigations in patients diagnosed with convergence spasm.
    • To assess the effectiveness of symptomatic treatment for convergence spasm.

    Main Methods:

    • A review of 12 cases of convergence spasm was conducted.
    • Eight patients were re-examined after a mean interval of 8.3 years to assess long-term outcomes.
    • Clinical examination was used to differentiate convergence spasm from conditions like bilateral sixth nerve palsy, divergence insufficiency, and bilateral gaze palsy.

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    Main Results:

    • No organic neurological disease became apparent in the re-examined patients over the follow-up period.
    • Clinical examination was sufficient to distinguish convergence spasm from other differential diagnoses.
    • Symptomatic relief was achieved in 5 out of the treated cases using cycloplegia and glasses.

    Conclusions:

    • Convergence spasm, particularly when part of the near-response, appears to be a benign condition.
    • Extensive neurological investigations are likely not warranted for patients with convergence spasm.
    • Cycloplegia and corrective lenses can provide effective symptomatic management for convergence spasm.