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Binocular Vision in Chronic Fatigue Syndrome

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By D. Godts et al.

Abstract

INTRODUCTION AND PURPOSE: To compare binocular vision measurements between Chronic Fatigue Syndrome (CFS) patients and healthy controls.

METHODS: Forty-one CFS patients referred by the Reference Centre for Chronic Fatigue Syndrome of the Antwerp University Hospital and forty-one healthy volunteers, matched for age and gender, underwent a complete orthoptic examination. Data of visual acuity, eye position, fusion amplitude, stereopsis, ocular motility, convergence, and accommodation were compared between both groups.

RESULTS: Patients with CFS showed highly significant smaller fusion amplitudes (P < 0.001), reduced convergence capacity (P < 0.001), and a smaller accommodation range (P < 0.001) compared to the control group.

CONCLUSION: In patients with CFS binocular vision, convergence and accommodation should be routinely examined. CFS patients will benefit from reading glasses either with or without prism correction in an earlier stage compared to their healthy peers. Convergence exercises may be beneficial for CFS patients, despite the fact that they might be very tiring. Further research will be necessary to draw conclusions about the efficacy of treatment, especially regarding convergence exercises. To our knowledge, this is the first prospective study evaluating binocular vision in CFS patients.

© 2016 Board of regents of the University of Wisconsin System, American Orthoptic Journal, Volume 66, 2016, ISSN 0065-955X, E-ISSN 1553-4448.

Source: Godts D, Moorkens G, Mathysen DG. Binocular Vision in Chronic Fatigue Syndrome. Am Orthopt J. 2016 Jan;66(1):92-97.

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