The Relationship between Visual Fatigue and Attention

[[abstract]]Nowadays consumer electronics are in widespread use that it is universal in every age groups. In modern society, consumer electronics have been necessaries merely after being launched years ago. According to doctors, while watching a television it is important to keep a certain distance with it and let the eyes rest properly. Nevertheless, the ways people use consumer electronics and the time spent on it can lead to visual fatigue, harm even, which is the issue that should be taken seriously. The experiment aims to evaluate the visual fatigue that subjects perceived by taking both surveys named Subjective Visual Fatigue and Critical Fusion Frequency, which are commonly used at present, before and after watching a video. In the meanwhile, with an eye tracker the experiment explores if the subject’s attention distracted after watching the video. In the attention test based on a concentric circle diagram, the statistical result illustrates that the average time subjects staring at the central circle and the longest distance subject’s eye shifting are significant difference. It tells the time subjects staring at the central circle is shortened after watching the video. As for the attention test based on a couple photo, the statistical result illustrates that the frequency subjects gazing the central circle is significant difference as well. It testifies subject’s attention is influenced under visual fatigue