Effect of Computer Monitor Distance on Visual Symptoms and Changes in Accommodation and Binocular Vision

摘要: Visual symptoms are the most common complaints associated with prolonged computer use. We investigated effects of accommodation and vergence demands specified by monitor viewing distance on development visual function changes. Ten 18–35 year-old subjects performed a two-hour, visually demanding, text-viewing task at three distances over days. The angle character size was held constant. measured changes in several static dynamic properties binocular vision before for 90 minutes after task. 100 cm induced less lead effect to distant target lag retention near target. On other hand, 33 introduced eye irritation or tearing higher overall convergence response compared longer distances. There were weak associations between functions visu...