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Immediate Effects of Light Mode and Dark Mode Features on Visual Fatigue in Tablet Users
Praphatson Sengsoon1,2, Roongnapa Intaruk1,2
1Department of Physical Therapy, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand.
Summary
Dark mode may offer some relief from visual fatigue and dry eye symptoms compared to light mode during tablet use. Both modes, however, can increase eye strain and affect visual performance.
Area of Science:
- Ophthalmology
- Human-Computer Interaction
- Ergonomics
Background:
- Prolonged tablet use is linked to visual fatigue, dry eye, and altered critical flicker frequency, impacting user comfort and performance.
- Light and dark modes are designed to mitigate eye strain, but their immediate effects require investigation.
Purpose of the Study:
- To evaluate and compare the immediate effects of light and dark screen modes on visual fatigue in tablet users.
- To assess the impact of light and dark modes on critical flicker frequency and dry eye symptoms.
Main Methods:
- An experimental study involving 30 female tablet users utilizing block randomization.
- Measurement of visual fatigue, critical flicker frequency, and dry eye symptoms pre- and post-exposure to both light and dark modes.
Main Results:
- No significant difference in visual fatigue was found between light and dark modes (p > 0.05).
- Significant differences were observed in critical flicker frequency (p < 0.05) and dry eye symptoms (p < 0.05) between the modes.
- Tablet use in both modes led to significant increases in visual fatigue, reduced critical flicker frequency, and exacerbated dry eye symptoms (p < 0.05).
Conclusions:
- Both light and dark modes affect visual fatigue, critical flicker frequency, and dry eye symptoms.
- Dark mode may offer a reduced risk of eye fatigue compared to light mode.
- Further research is needed on long-term effects and optimal screen settings for visual comfort.
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