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Measurement of dynamic visual acuity in patients with vestibular areflexia

Lambert, Stephanie
Sigrist, Alain
Delaspre, Olga
Published in Acta oto-laryngologica. 2010, vol. 130, no. 7, p. 820-823
Abstract CONCLUSION: The test is simple and sensitive enough to separate normal subjects from patients suffering from a vestibular loss. There was also a good correlation between the objective results and the subjective complaint of oscillopsia. OBJECTIVES: Oscillopsia (i.e. blurred vision while walking) is often reported by patients suffering from vestibular loss. We developed a test to quantify oscillopsia. METHODS: Visual acuity was determined in 16 normal subjects and in 8 patients suffering from a bilateral vestibular loss, at rest and while walking at increasing speed on a treadmill. Snellen optotypes were randomly projected on a screen and the visual acuity was determined with an adaptative staircase algorithm. RESULTS: In normal subjects, the visual acuity did not decrease markedly during walking, but decreased significantly in patients with a vestibular loss.
Keywords AdultAgedCase-Control StudiesExercise TestFemaleHumansMaleMiddle AgedReflex, Abnormal/*physiologyReflex, Vestibulo-Ocular/*physiologyVestibular Diseases/*physiopathologyVestibular Function Tests/*methodsVision Tests/methodsVisual Acuity/*physiologyWalking/physiology
PMID: 20082568
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Research groups Implant, fonction et affections vestibulaires (268)
Implants rétiniens (143)
Prothèse nerveuse et surdité profonde (798)
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LAMBERT, Stephanie et al. Measurement of dynamic visual acuity in patients with vestibular areflexia. In: Acta oto-laryngologica, 2010, vol. 130, n° 7, p. 820-823. doi: 10.3109/00016480903426592 https://archive-ouverte.unige.ch/unige:21065

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Deposited on : 2012-05-23

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