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Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
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Visual Fatigue Induced by Viewing a Tablet Computer with a High-resolution Display.

Dong Ju Kim1, Chi Yeon Lim2, Namyi Gu3

  • 1Department of Ophthalmology, Dongguk University Ilsan Hospital, Goyang, Korea.

Korean Journal of Ophthalmology : KJO
|September 16, 2017
PubMed
Summary

Using smart mobile devices for one hour significantly increases eye strain and discomfort. Symptoms like tired, sore, and watery eyes worsened, indicating digital eye strain is a common issue.

Keywords:
AsthenopiaDry eye syndromeSmart mobile deviceiPad

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Area of Science:

  • Ophthalmology
  • Human-Computer Interaction
  • Digital Health

Background:

  • Smart mobile devices are ubiquitous, leading to prolonged screen time.
  • Concerns exist regarding the impact of digital screen use on visual health.

Purpose of the Study:

  • To assess visual discomfort and fatigue induced by smart mobile devices in healthy adults.
  • To quantify the effects of tablet computer use on ocular parameters.

Main Methods:

  • Fifty-nine healthy adults viewed tablet computer screens for one hour.
  • Participants engaged in movie watching or gaming.
  • Visual fatigue and discomfort were measured using an asthenopia questionnaire, tear film break-up time, and ocular wavefront aberration.

Main Results:

  • Asthenopia scores significantly increased post-viewing (p < 0.001).
  • Specific symptoms like tired, sore, and watery eyes were significantly elevated.
  • Tear film break-up time decreased significantly (p = 0.003), while ocular wavefront aberration remained unchanged.

Conclusions:

  • Smart mobile devices significantly induce visual fatigue and discomfort.
  • Even advanced display technology does not prevent adverse visual effects from prolonged use.