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Virtual Reality Experiments with Physiological Measures
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Changes to Visual Parameters Following Virtual Reality Gameplay.

Sanjog Banstola1, Kerry Hanna1, Anna O'Connor1

  • 1University of Liverpool, GB.

The British and Irish Orthoptic Journal
|July 20, 2022
PubMed
Summary
This summary is machine-generated.

Virtual reality (VR) gameplay can fatigue convergence muscles but improves eye focus and divergence. These visual changes from VR are short-term, requiring further research for long-term effects.

Keywords:
GameplayVirtual RealityVisionVisual Changes

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Area of Science:

  • Ophthalmology
  • Optometry
  • Human-Computer Interaction

Background:

  • Virtual reality (VR) is increasingly popular for gaming and education.
  • VR places significant demands on the visual system.
  • Existing research on VR's impact on vision is conflicting.

Purpose of the Study:

  • To investigate the short-term effects of VR gameplay on visual parameters.
  • To explore changes in convergence, accommodation, and other visual functions after VR use.

Main Methods:

  • Seventy-eight young adults (19-25 years) played the VR game Beat Saber for 15 minutes.
  • Visual assessments included near point of convergence (NPC), near point of accommodation (NPA), accommodative convergence to accommodation (AC/A) ratio, prism fusion range (PFR), accommodation facility, and stereoacuity.
  • Measurements were taken before and immediately after VR gameplay.

Main Results:

  • A significant reduction in the breakpoint of convergence was observed (p = 0.001).
  • Binocular accommodative facility significantly improved (p = 0.004).
  • Near horizontal prism fusion range showed mixed results, with base break worsening and base in recovery improving (p = 0.003).

Conclusions:

  • VR gameplay moderately fatigued convergence muscles.
  • VR use enhanced accommodative facility and divergence function.
  • Observed visual changes were short-term, necessitating further investigation into prolonged effects.