Visual Effects and Discomfort While Scrolling a Document on LCD Displays
The LCD display has made mobile computing popular. One application of mobile computing is information browsing. Browsing text and graphics information often requires scrolling the screen display. Today, many software provide tools for the user to scroll the text easily. They also provide zooming tools to magnify or shrink what was shown on the screen. Combining the scrolling and zooming tools, users can search freely in the entire text. However, it is sometimes annoying by continuously viewing information that is moving. Users may feel uncomfortable on the eyes with fast scroll speed. Under fast speed, if the texts are too small, they are unrecognizable. If the texts are big, they become blurred causing discomfort on the eye. In this study, an experiment was carried out to investigate the effect of scroll speed and zoom level on users visual performance and fatigue when viewing a text document on the LCD display. The results show that zoom level significantly affected the visual fatigue of the viewer. It is recommended that document viewing tool must take the visual discomfort into design consideration.
Scroll Speed Zoom Level Visual Performance Visual Fatigue
Chiuhsiang Joe Lin Yao-Hung Hsieh Chia-Chieh Hsieh
Department of Industrial Engineering, Chung Yuan Christian University, 200, Chung Pei Rd., Chung Li 32023, Taiwan, China
国际会议
上海
英文
978-982
2007-03-12（万方平台首次上网日期，不代表论文的发表时间）