Affiliation:
1. Department of Industrial Engineering, University of Toronto, Toronto, Canada
Abstract
Previous studies suggest that many of the discomforts associated with VDT use may be attributed to poor working conditions and to the task itself However, the relationship between visual complaints and specific display characteristics of the VDT is not entirely clear. This study investigated the effect of the temporal characteristics of VDT display luminance on temporal resolution of the visual system. Subjective ratings of visual discomfort and task performance were also considered. Ten individuals performed a visual search task for three hours at either a VDT display or back-projection display system. The only difference between these two displays was the temporal characteristics of display luminance. Environmental factors were equated for both conditions. Despite the similarity between conditions, temporal resolution decreased over time and individuals reported increased task difficulty, difficulty in concentrating, tired eyes, and the need to shut eyes more often for VDT use.
Subject
Behavioral Neuroscience,Applied Psychology,Human Factors and Ergonomics
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