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Related Experiment Videos

Eye motility dysfunction in chronic primary fibromyalgia with dysesthesia.

U Rosenhall1, G Johansson, G Orndahl

  • 1Department of Audiology and Otolaryngology, Sahlgren's Hospital, Göteborg, Sweden.

Scandinavian Journal of Rehabilitation Medicine
|January 1, 1987
PubMed
Summary

Patients with chronic primary fibromyalgia syndrome and dysesthesia often exhibit abnormal oculomotor test results, suggesting common brain dysfunction, particularly in the brainstem.

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Area of Science:

  • Neurology
  • Ophthalmology
  • Rheumatology

Background:

  • Chronic primary fibromyalgia syndrome (FP) is a complex condition characterized by widespread pain and other symptoms.
  • Dysesthesia, an abnormal, unpleasant sensation, can co-occur with FP, suggesting potential neurological involvement.
  • Oculomotor function provides insights into central nervous system integrity.

Purpose of the Study:

  • To investigate oculomotor system abnormalities in patients with chronic primary fibromyalgia syndrome and dysesthesia.
  • To compare the oculomotor test results of patients with a healthy control group.
  • To determine the prevalence and nature of eye movement dysfunctions in this patient population.

Main Methods:

  • Oculomotor tests were administered to 36 patients diagnosed with chronic primary fibromyalgia syndrome and dysesthesia.

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  • A control group of 71 healthy individuals was included for comparison.
  • Specific tests included saccades and smooth pursuit eye movements.

    • Main Results:

    • Abnormal saccades were observed in 42% of patients, with reduced maximum velocity but normal accuracy.
    • Smooth pursuit eye movements were impaired in 89% of patients, showing reduced velocity gain and increased corrective saccades.
    • These findings suggest significant oculomotor deficits in the studied patient group.

    Conclusions:

    • Oculomotor abnormalities are common in patients with chronic primary fibromyalgia syndrome and associated dysesthesia.
    • The observed deficits, particularly in smooth pursuit, point towards brain dysfunction, frequently at the brainstem level.
    • These results highlight the utility of oculomotor testing in assessing neurological involvement in fibromyalgia.