Comparison of two visual-verbal tests of ocular motility using an eye-tracker
López-de-la-Fuente, Carmen (Universidad de Zaragoza) ; Saz-Onrubia, Elena ; Orduna-Hospital, Elvira (Universidad de Zaragoza) ; Sánchez-Cano, Ana (Universidad de Zaragoza)
Resumen: Purpose
This study aims to compare eye movements monitored with an eye tracker during two visuo-verbal tests for assessing ocular motility. The study explores the potential of digital assessment and eye tracking technology in enhancing the understanding of ocular motility during these tests.
Methods
47 healthy participants were included (20 males, 27 females), with a mean age of 21.34±1.77 years. The participants underwent optometric examinations to ensure visual health and exclude any dysfunctions or pathologies. The experimental protocol involved the digitized versions of the DEM and King-Devick tests, monitored with an eye tracker.
Results
The vertical subtests of DEM test showed fewer saccades, longer fixation durations, smaller saccade amplitudes, and slower saccade speeds compared to the horizontal subtest. The King-Devick test exhibited comparable fixation and saccade numbers, while fixation duration slightly increased with test difficulty. Statistically significant differences were found between the tests, but a positive correlation was observed.
Conclusions
Statistically significant differences were observed between the DEM and King-Devick tests, indicating that they measure similar aspects but are not interchangeable. The DEM test offers more comprehensive information with vertical saccade assessment. Test duration correlates positively with saccade and fixation count, fixation duration, and saccade speed.
Idioma: Inglés
DOI: 10.1016/j.optom.2024.100517
Año: 2024
Publicado en: Journal of Optometry 17, 4 (2024), 100517 [10 pp.]
ISSN: 1888-4296
Financiación: info:eu-repo/grantAgreement/ES/DGA/LMP39_21
Financiación: info:eu-repo/grantAgreement/ES/MICINN/PID2019-107058RB-I00
Tipo y forma: Article (Published version)
Área (Departamento): Área Óptica (Dpto. Física Aplicada)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you may not distribute the modified material.
Exportado de SIDERAL (2024-07-11-08:38:43)
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This study aims to compare eye movements monitored with an eye tracker during two visuo-verbal tests for assessing ocular motility. The study explores the potential of digital assessment and eye tracking technology in enhancing the understanding of ocular motility during these tests.
Methods
47 healthy participants were included (20 males, 27 females), with a mean age of 21.34±1.77 years. The participants underwent optometric examinations to ensure visual health and exclude any dysfunctions or pathologies. The experimental protocol involved the digitized versions of the DEM and King-Devick tests, monitored with an eye tracker.
Results
The vertical subtests of DEM test showed fewer saccades, longer fixation durations, smaller saccade amplitudes, and slower saccade speeds compared to the horizontal subtest. The King-Devick test exhibited comparable fixation and saccade numbers, while fixation duration slightly increased with test difficulty. Statistically significant differences were found between the tests, but a positive correlation was observed.
Conclusions
Statistically significant differences were observed between the DEM and King-Devick tests, indicating that they measure similar aspects but are not interchangeable. The DEM test offers more comprehensive information with vertical saccade assessment. Test duration correlates positively with saccade and fixation count, fixation duration, and saccade speed.
Idioma: Inglés
DOI: 10.1016/j.optom.2024.100517
Año: 2024
Publicado en: Journal of Optometry 17, 4 (2024), 100517 [10 pp.]
ISSN: 1888-4296
Financiación: info:eu-repo/grantAgreement/ES/DGA/LMP39_21
Financiación: info:eu-repo/grantAgreement/ES/MICINN/PID2019-107058RB-I00
Tipo y forma: Article (Published version)
Área (Departamento): Área Óptica (Dpto. Física Aplicada)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you may not distribute the modified material. Exportado de SIDERAL (2024-07-11-08:38:43)
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Record created 2024-07-11, last modified 2024-07-11