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[Graefe's balance test in thyroid diseases]

A Bednarczyk1

  • 1Oddziału Okulistycznego Zespołu Opieki Zdrowotnej w Mysłowicach.

Klinika Oczna
|December 1, 1994
PubMed
Summary
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Graefe's test effectively detects muscle balance issues in thyroid patients, revealing latent divergence in 51% of cases. This simple bedside test is highly sensitive for diagnosing eye muscle disorders in Graves' disease.

Area of Science:

  • Ophthalmology
  • Endocrinology
  • Neurology

Context:

  • Thyroid disorders, such as nodular toxic goitre and Graves-Basedow disease, can affect extraocular muscle function.
  • Assessing muscle balance is crucial for understanding visual disturbances in these patients.
  • Existing diagnostic methods have varying sensitivities for detecting these subtle changes.

Purpose:

  • To evaluate the efficacy and sensitivity of Graefe's test for assessing muscle balance in patients with thyroid disorders.
  • To compare the diagnostic yield of Graefe's test with other established clinical signs (Maddox, Moebius, Dalrymple, exophthalmos).
  • To determine the prevalence of specific muscle balance deviations (latent divergence/convergence) in this patient population.

Summary:

  • Graefe's test was performed on 100 patients with thyroid disorders and 100 healthy controls.

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  • The test showed a positive result in 51% of thyroid patients for short-distance vision, primarily indicating latent divergence (90%).
  • In contrast, only 3% of controls tested positive, highlighting Graefe's test's high sensitivity compared to Maddox (24%), Moebius (8%), Dalrymple (4%), and exophthalmos (9%).

    • Impact:

    • Graefe's test is a simple, sensitive, and practical bedside examination for identifying muscle balance abnormalities in thyroid disease.
    • Findings suggest Graefe's test should be routinely considered in the ophthalmological evaluation of patients with Graves' disease and related thyroid conditions.
    • Early and accurate detection of muscle imbalance can potentially lead to timely interventions and improved visual outcomes.