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Evaluation of Virtual Reality Perimetry and Standard Automated Perimetry in Normal Children
Journal article   Open access   Peer reviewed

Evaluation of Virtual Reality Perimetry and Standard Automated Perimetry in Normal Children

Sylvia L Groth, Edward F Linton, Eric N Brown, Frini Makadia and Sean P Donahue
Translational vision science & technology, Vol.12(1), pp.6-6
01/04/2023
DOI: 10.1167/tvst.12.1.6
PMCID: PMC9832716
PMID: 36598458
url
https://doi.org/10.1167/tvst.12.1.6View
Published (Version of record) Open Access

Abstract

The Olleyes VisuALL-K is a pediatric videogame-based static threshold perimeter using a virtual reality headset. We determined normal threshold sensitivities for the 24-2 test locations using the virtual reality perimetry (VRP) and also tested patients on the Humphrey Field Analyzer (HFA). Patient satisfaction for the two instruments was compared. This exploratory study tested 50 normal pediatric participants aged 8 to 17 years on the HFA and VRP. The main outcome measure was threshold sensitivity at the 24-2 test locations for the two instruments. The mean participant age was 13.0 ± 2.6 years; 50% were female. The threshold values for VRP are reported as measured on the device and after conversion to an HFA-equivalent scale. Age-adjusted thresholds showed a mean sensitivity of 31.8 ± 1.1 dB (46.1 ± dB HFA equivalent) diminution from the maximum light intensity in the VRP and 31.0 ± 1.5 dB diminution from the maximum light intensity in the HFA; interparticipant variability in mean threshold sensitivity was 2.7 ± 0.4 dB for the VRP and 2.7 ± 0.6 dB for the HFA. The HFA demonstrated decreased threshold sensitivity with increasing eccentricity, whereas the VRP threshold did not seem to vary with eccentricity. Mild age effects on threshold sensitivity were seen in the VRP and the HFA (R2 = 0.11, P < 0.001 and R2 = 0.05, P < 0.05, respectively). The mean time to completion for VRP and HFA was 7.6 ± 1.5 and 5.3 ± 0.9 min/eye, respectively (P < 0.0001). Patient satisfaction scores favored VRP (P < 0.01) despite the longer test duration. The Olleyes game-based VRP and HFA can be used to map out the peripheral vision in normal children. The VRP has a higher patient satisfaction when used in children than the HFA. The portability of the test allows it to be performed in a myriad of environments, lending a flexibility that can benefit this population. This virtual reality perimetry device provides an alternative to the Humphrey Field Analyzer for children.
 Child Female Humans Male Proteomics Sensitivity and Specificity Virtual Reality Visual Field Tests Visual Fields

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