Related Experiment Video
Updated: Jun 17, 2026
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
Published on: March 29, 2022
Measurement of dynamic visual acuity in patients with vestibular areflexia
Stéphanie Lambert1, Alain Sigrist, Olga Delaspre
1Department of Clinical Neurosciences, University Hospitals of Geneva, Switzerland. fanylambert@yahoo.fr <fanylambert@yahoo.fr>
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.
