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  1. Home
  3. Enhancing Walk-light Detector Usage For The Visually Impaired: A Comparison Of Vr Exploration And Verbal Instructions.
  1. Home
  3. Enhancing Walk-light Detector Usage For The Visually Impaired: A Comparison Of Vr Exploration And Verbal Instructions.

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Enhancing Walk-Light Detector Usage for the Visually Impaired: A Comparison of VR Exploration and Verbal

Jonggi Hong1, James M Coughlan2

  • 1Stevens Institute of Technology, Hoboken, New Jersey, USA.

... International Web for All Conference. Web for All Conference
|December 5, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Virtual reality (VR) exploration enhanced understanding of walk-light detector apps for people with visual impairments (PVI). While traditional text/audio (TA) felt easier initially, VR training provided deeper insights for PVI using these essential tools.

Keywords:
Blind photographyblindness and low visionnavigationvirtual realitywalk light

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Area of Science:

  • Human-Computer Interaction
  • Assistive Technology
  • Accessibility Research

Background:

  • People with visual impairments (PVI) increasingly use smartphone apps for daily tasks.
  • Precise camera aiming in apps remains a significant challenge for PVI.
  • Existing training methods may not adequately address camera-aiming difficulties.

Purpose of the Study:

  • To compare the effectiveness of virtual reality (VR) exploration versus traditional text/audio (TA) instructions for learning a walk-light detector app.
  • To investigate how PVI learn to use camera-enabled smartphone applications.
  • To gather user feedback on VR-based training for assistive technology.

Main Methods:

  • Developed a VR exploration tool based on PVI interviews.
  • Conducted a user study with 13 PVI participants, divided into VR and TA groups.
  • Participants trained indoors using their assigned method, then tested the app outdoors.

    • Main Results:

    • A higher proportion of participants in the TA group found training easier, possibly due to VR protocol limitations or real-world/VR discrepancies.
    • More participants in the VR group gained deeper insights into walk-light detection.
    • VR-trained participants reported a greater perceived inability to use the detector without VR training compared to the TA group.

    Conclusions:

    • VR exploration shows potential for enhancing PVI's understanding of complex camera-dependent apps, despite initial usability challenges.
    • Further refinement of VR protocols is needed to bridge the gap between virtual and real-world performance.
    • Assistive technology training for PVI may benefit from immersive VR experiences for deeper learning outcomes.