June 2023
Volume 64, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2023
TREYESCAN: Development of an Eye Tracking Test for the Measurement of Compensatory Eye Movements for Driving with Visual Field Defects
Author Affiliations & Notes
  • Yasmin Faraji
    Ophthalmology, Amsterdam UMC Locatie VUmc, Amsterdam, Noord-Holland, Netherlands
    Quality of Care, Societal Participation & Health, Mental Health, Aging and Later Life, Amsterdam Public Health Research Institute, Amsterdam, North Holland, Netherlands
  • Joris W. van Rijn
    Ophthalmology, Amsterdam UMC Locatie VUmc, Amsterdam, Noord-Holland, Netherlands
  • Ruth van Nispen
    Ophthalmology, Amsterdam UMC Locatie VUmc, Amsterdam, Noord-Holland, Netherlands
    Quality of Care, Societal Participation & Health, Mental Health, Aging and Later Life, Amsterdam Public Health Research Institute, Amsterdam, North Holland, Netherlands
  • Ger van Rens
    Ophthalmology, Amsterdam UMC Locatie VUmc, Amsterdam, Noord-Holland, Netherlands
    Quality of Care, Societal Participation & Health, Mental Health, Aging and Later Life, Amsterdam Public Health Research Institute, Amsterdam, North Holland, Netherlands
  • Bart JM Melis-Dankers
    Centre of Expertise for blind and partially sighted people, Royal Dutch Visio, Huizen, Netherlands
  • Jan Koopman
    Centre of Expertise for blind and partially sighted people, Royal Dutch Visio, Huizen, Netherlands
  • Laurentius J van Rijn
    Ophthalmology, Amsterdam UMC Locatie VUmc, Amsterdam, Noord-Holland, Netherlands
    Ophthalmology, OLVG, Amsterdam, Noord-Holland, Netherlands
  • Footnotes
    Commercial Relationships   Yasmin Faraji None; Joris van Rijn None; Ruth van Nispen Janssen-Cilag NV., Code C (Consultant/Contractor); Ger van Rens None; Bart Melis-Dankers None; Jan Koopman None; Laurentius van Rijn None
  • Footnotes
    Support  Stichting Uitzicht, Vision 2017 conference revenues, Visio Foundation, Stichting tot verbetering van het lot der blinden
Investigative Ophthalmology & Visual Science June 2023, Vol.64, 1984. doi:
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      Yasmin Faraji, Joris W. van Rijn, Ruth van Nispen, Ger van Rens, Bart JM Melis-Dankers, Jan Koopman, Laurentius J van Rijn; TREYESCAN: Development of an Eye Tracking Test for the Measurement of Compensatory Eye Movements for Driving with Visual Field Defects. Invest. Ophthalmol. Vis. Sci. 2023;64(8):1984.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : A reliable screening method for persons with visual field defects is vital for safe mobility. Presently, static visual field tests are used, but these fixate the patient’s gaze, and do not measure compensatory viewing needed for dynamic traffic situations. Research on this subject is important, as the prevalence of age-related field disorders and the number of older drivers is rising due to a prolonged life expectancy. The aim was to select relevant traffic scenes for TREYESCAN (Traffic eye scanning & compensation analyzer), which measures compensatory viewing with head and eye movements.

Methods : Traffic scenes were recorded with a wide field lens (~120°), whilst driving 2 routes. Interesting scenes were chosen and included in 6 videos of ~8 minutes. Ten raters with extensive driving experience defined relevant areas of interest (AOI). Participants with no ophthalmic diagnoses and at least 5 years of driving experience were included. They watched the 6 videos on a wide screen of 100° field of view, the Pupil Core eye tracker measured the gaze and head movements were permitted in all directions (Fig. 1). They were instructed to view the scenes as if they were driving the car and to press a button when an action was required. Based on their experience and the AOI rating, the best scenes were chosen for inclusion.

Results : Ten raters, with 38.3±9.0 (mean±SD) years of driving experience, identified a total of 349.8±32.8 AOIs per video, with 117.8±4.8 relevant AOIs identified by 5 or more raters. Twenty participants aged 39.2±15.2 with 20.4±15.1 years of driving experience were included. Some participants felt dizzy during scenes with fast turns or speed bumps, hence these situations were removed (12.0 min). In addition, we removed scenes in which an AOI suddenly came into view from behind the vehicle, as this may give a startled sense to participants and information from the side mirrors is not provided (3.5 min). Then, scenes with only central screen AOIs (12.5 min) and a large number of overlapping AOIs (3.5 min), were also removed.

Conclusions : The TREYESCAN traffic scenes (2 videos of ~8 min) will be used in a case-control study, in which eye movements of glaucoma patients will be compared to normal-sighted persons. We expect to discover if glaucoma patients show sufficient scanning and compensatory eye movements for mobility demands.

This abstract was presented at the 2023 ARVO Annual Meeting, held in New Orleans, LA, April 23-27, 2023.

 

Fig 1. TREYESCAN setup

Fig 1. TREYESCAN setup

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