Abstract
Objectives
To determine the feasibility of the dynamic visual acuity test (DVA) in children who are preschoolers.
Methods
Thirty-three preschoolers [3 years old (n = 11), 4 years old (n = 6), 5 years old (n = 8), and 6 years old (n = 8)], performed a static visual acuity test (SVA), a passive horizontal DVA (hDVA) at 1 and 2 Hz, and a DVA on treadmill at three age-specific walking speeds (slow/medium/high). The DVA scores, the difference between SVA and hDVA, were used to determine false positive results.
Results
The SVA was performed by 31/33 children, the hDVA and DVA on treadmill at slow and medium speed by 27/33 and the DVA on treadmill at high speed by 25/33. Except for one 5 years old, all drop-outs were 3 years old. The hDVA at 2 Hz was administered in only six children because of difficulties with focusing on reading the symbols at this frequency. False positive results for the hDVA at 1 Hz were found in 3/27 children, all 3 years old, and 2/6 for the hDVA at 2 Hz.
Conclusions
The DVA on treadmill seems useful for preschoolers from age 5, but this should be further investigated in children with underlying pathologies.
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Acknowledgements
All authors contributed to the design of the study, test administration, and data-analysis. We would like to thank Carlien Ameloot, Ellen Declercq, Lize Meyers, Anja Simons, and Sofie Thijs for their help during data collection. This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
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Verbecque, E., De Belder, N., Marijnissen, T. et al. Feasibility of the clinical dynamic visual acuity test in typically developing preschoolers. Eur Arch Otorhinolaryngol 275, 1343–1348 (2018). https://doi.org/10.1007/s00405-018-4919-2
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DOI: https://doi.org/10.1007/s00405-018-4919-2