The symptoms of frequent computer users include dizziness, headache, fatigue, vision loss, memory loss, insomnia and dreaminess, and reduced work capacity. Among them, vision loss is the most serious. We all know that computer radiation hurts the eyes, but few people can leave the computer, especially white-collar workers, almost every day to use the computer more than ten hours, so how to use the computer at the same time to protect the eyes? Let’s learn together. When using the computer maintenance 1, adjust the screen color: desktop -> right-click -> Properties -> Appearance -> Advanced -> Project Select (Window), Color 1 (L) Select (Other) will be hue to: 85. saturation: 123. brightness: 205 -> Add to custom color -> in the custom color selected point OK -> OK so that all documents are no longer harsh black on white, but very soft bean green. 2, adjust the brightness of the monitor: monitor brightness is too dark, pupil dilation, easy to cause eye fatigue, it is appropriate to adjust the brightness of the monitor for the entire room lighting 3 to 4 times. Secondly, the word on the monitor should look clear and stable, it is advisable to adjust the refresh frequency of the computer monitor to minimize the flickering situation. In addition, also adjust the word bright contrast, the word on the fluorescent screen should be 5 to 10 times brighter than the base color. Do not use the same background color all the time, because a long time to look at the same color can also cause visual fatigue. 3, indoor lighting light should not be directly reflected to the fluorescent screen, the brightness should be darker than the usual use. 4, the need to read the document placed at the same height and distance from the fluorescent screen, without moving the focus between the two objects too often. 5.Every minute or two looking at the monitor, you should blink at least 1 time. Every hour of work in front of the monitor, to rest 10 to 15 minutes. The meaning of rest is to look far beyond 6 meters objects, especially the constant movement of distant objects better. 6, certain brightly colored fruits, such as oranges, carrots, etc. and lean meat, milk and other foods rich in vitamins and proteins help the retina on the renewal of visual pigment. 7, the computer is placed in front of 50 to 75 cm, parallel to the eyes down about 30 degrees angle, the seat to ensure that both feet on the ground. Long-term use of laptop computers, you can add extra mouse, keyboard and can tilt the shelf, so as not to fatigue to browse the screen.