Feasibility of the clinical dynamic visual acuity test in typically developing preschoolers
To determine the feasibility of the dynamic visual acuity test (DVA) in children who are preschoolers.
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.
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.
The DVA on treadmill seems useful for preschoolers from age 5, but this should be further investigated in children with underlying pathologies.
Keywords“Child, Preschool”[mesh] “Vestibular function tests”[mesh] Dynamic visual acuity test “Feasibility studies”[mesh]
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.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
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.
- 8.Rine RM, Schubert MC, Whitney SL, Roberts D, Redfern MS, Musolino MC, Roche JL, Steed DP, Corbin B, Lin CC, Marchetti GF, Beaumont J, Carey JP, Shepard NP, Jacobson GP, Wrisley DM, Hoffman HJ, Furman G, Slotkin J (2013) Vestibular function assessment using the NIH toolbox. Neurology 80(11 Suppl 3):S25–S31Google Scholar
- 13.Fredriks AM, van Buuren S, van Heel WJ, Dijkman-Neerincx RH, Verloove-Vanhorick SP, Wit JM (2005) Nationwide age references for sitting height, leg length, and sitting height/height ratio, and their diagnostic value for disproportionate growth disorders. Arch Dis Child 90:807–812CrossRefPubMedPubMedCentralGoogle Scholar
- 15.http://vestibular.org/pediatric-vestibular-disorders. Accessed 18 Oct 2017