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An examination of the oculomotor behavior metrics within a suite of digitized eye tracking tests

Murray, Nicholas; Kubitz, Karla; Roberts, Claire-Marie; Hunfalvay, Melissa; Bolte, Takumi; Tyagi, Ankur

Authors

Nicholas Murray

Karla Kubitz

Melissa Hunfalvay

Takumi Bolte

Ankur Tyagi



Abstract

Eye tracking has recently been used to examine oculomotor behavior (OMB) for visual and neurological health and wellness with promise in determining characteristics of healthy eyes and in turn a healthy brain. Recent research has demonstrated that human eye movements reflect individual and group differences, however, clinical evaluations of eye movements often lack test-retest reliability. The purpose of this study was to examine the reliability of oculomotor behavior metrics in healthy individuals, to determine the normative values through cluster analysis, and to compare oculomotor behavior metrics by age groups in a suite of digitized eye tracking tests. A large sample of 2993 participants completed RightEye tests. These tests demonstrated acceptable or higher reliability on 85% of the eye movement metrics and the clustering analysis distinguished 5 distinct age groups. Furthermore, group differences were found between age clusters. Overall, the findings represent the reliability of a computerized oculomotor behavior measure and the importance to consider individual and group characteristics for clinical applications as well as applied settings.

Citation

Murray, N., Kubitz, K., Roberts, C., Hunfalvay, M., Bolte, T., & Tyagi, A. (2019). An examination of the oculomotor behavior metrics within a suite of digitized eye tracking tests. Vision development and rehabilitation, 5(4), 269-284

Journal Article Type Article
Acceptance Date Nov 9, 2019
Publication Date Dec 1, 2019
Deposit Date Nov 20, 2019
Publicly Available Date Nov 22, 2019
Print ISSN 2374-6416
Peer Reviewed Peer Reviewed
Volume 5
Issue 4
Pages 269-284
Keywords Index Terms-Vision testing; cluster analysis; smooth pursuit; saccades; reliability; normative data; eye tracking
Public URL https://uwe-repository.worktribe.com/output/4705547
Publisher URL https://www.covd.org/page/vdr

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