电脑给人类的工作、学习和生活带来诸多方便,随着电脑使用越来越普及,电脑操作对人体的危害引起人们的普遍关注,如何避免或减轻这些危害,是电脑操作者保健中不容忽视问题。使用电脑的人常常会觉得眼睛不舒服,于是以为电脑伤害了自己的眼睛。其实视屏显示终端也就是电脑屏幕本身对眼睛并没有害处,眼睛不舒服是因为经常使用电脑引起视觉高度疲劳。电脑操作者的眼睛和电脑屏幕及文稿之间的距离不相同,眼睛需要连续几个小时在电脑屏幕和文稿之间迅速的动 Computer to human work, study and life has brought a lot of convenience, with the increasing popularity of computer use, computer operations on the human body caused widespread concern, how to avoid or reduce these hazards, computer operators can not be ignored in health care problem. People who use computers often feel uncomfortable with their eyes and think that the computer hurts their eyes. In fact, the screen display terminal is the computer screen itself is not harmful to the eyes, eyes are not comfortable because of the frequent use of computer-induced visual fatigue. The distance between the computer operator’s eyes and the computer screen and document is different, and the eye needs to move rapidly between the computer screen and the document for several hours