Journal article
Accuracy and Reproducibility of Virtual Reality Perimetry in Children
Journal of pediatric ophthalmology and strabismus, Vol.61(4), pp.262-266
02/19/2024
DOI: 10.3928/01913913-20240118-03
PMID: 38380937
Abstract
Purpose: To determine normal threshold values for the 24-2 program of the VisuALL-K (Olleyes, Inc), a portable static automated virtual reality perimeter that uses a video game–based testing modality on an updated version of the algorithm and to repeat the test to assess retest variability. Methods: This prospective cohort study included 19 participants (aged 8 to 17 years) with healthy afferent systems. Participants performed two 24-2 automated perimetry tests on the virtual reality perimeter device. Results: Mean age was 12.7 ± 2.5 years; 53% were boys and 47% were girls. Mean test location threshold was 30.5 ± 4.0 dB for test 1 and 31.3 ± 2.8 dB for test 2. Sensitivity decreased with eccentricity as expected (−0.17 dB per degree). Bland-Altman analysis showed a repeatability coefficient of ±5.1 dB for mean deviation, meaning that 95% of retest values were within ±5 dB of the threshold value for the first test. Higher thresholds for the first test regressed toward the mean values in the second test, indicating a learning effect. Intraclass correlation coefficient for mean deviation between test 1 and test 2 was 0.70 (0.55 to 0.80, P < .0001). Mean time to completion for the virtual reality perimeter was 5.1 ± 1.5 min/eye. Conclusions: The VisuALL-K virtual reality perimeter provided an assessment of the visual field in normal children aged 8 to 17 years. A shallow hill of vision was demonstrated. A notable learning effect was demonstrated, with repeatability difference wider than other published head-mounted display perimeters. [J Pediatr Ophthalmol Strabismus. 20XX:X(X):XX–XX.]
Details
- Title: Subtitle
- Accuracy and Reproducibility of Virtual Reality Perimetry in Children
- Creators
- Jaron Pruett - Vanderbilt University Medical CenterEdward Linton - University of IowaSean P Donahue - Vanderbilt University Medical CenterSylvia L Groth - Vanderbilt University Medical Center
- Resource Type
- Journal article
- Publication Details
- Journal of pediatric ophthalmology and strabismus, Vol.61(4), pp.262-266
- Publisher
- SLACK INCORPORATED
- DOI
- 10.3928/01913913-20240118-03
- PMID
- 38380937
- ISSN
- 0191-3913
- eISSN
- 1938-2405
- Language
- English
- Electronic publication date
- 02/19/2024
- Academic Unit
- Ophthalmology and Visual Sciences
- Record Identifier
- 9984561556902771
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