AI Article Synopsis
- - The study investigated how different display curvatures (400, 600, 1200 mm, and flat), display zones, and task durations affect legibility and visual fatigue during visual search tasks.
- - Results indicated that the 600-mm and 1200-mm curved displays improved legibility and reduced visual fatigue compared to flat displays, with outer zones showing significant decreases in legibility.
- - Overall, a curvature around 600 mm, focusing on central display zones, and taking breaks are suggested to enhance readability and minimize visual fatigue.
Article Abstract
This study examined the effects of display curvature (400, 600, 1200 mm, and flat), display zone (5 zones), and task duration (15 and 30 min) on legibility and visual fatigue. Each participant completed two 15-min visual search task sets at each curvature setting. The 600-mm and 1200-mm settings yielded better results than the flat setting in terms of legibility and perceived visual fatigue. Relative to the corresponding centre zone, the outermost zones of the 1200-mm and flat settings showed a decrease of 8%-37% in legibility, whereas those of the flat setting showed an increase of 26%-45% in perceived visual fatigue. Across curvatures, legibility decreased by 2%-8%, whereas perceived visual fatigue increased by 22% during the second task set. The two task sets induced an increase of 102% in the eye complaint score and a decrease of 0.3 Hz in the critical fusion frequency, both of which indicated an increase in visual fatigue. In summary, a curvature of around 600 mm, central display zones, and frequent breaks are recommended to improve legibility and reduce visual fatigue.
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| http://dx.doi.org/10.1016/j.apergo.2016.11.012 | DOI Listing |
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