1, do not place the computer at the window to avoid reflections caused by light sources from above the head, causing the computer screen is not clear. 2, the top height of the computer screen should be slightly lower than the eye level, the most ideal location is the center of the computer screen should be about 20 degrees below the eye line of sight. 3, the computer screen and eye distance of 60 cm is appropriate. 4, blink often, to moisturize the eyes effect. Gazing at the computer screen every hour should be rested for 10-15 minutes, if you can close your eyes, far away, etc. can achieve complete rest. Likewise, the muscles of the eyes also need exercise, in the morning and afternoon of each day, blink more, look away, or do eye exercises. Rub your hands together and place them on the eyeballs to activate the blood. 5, if the eyes are usually very easy to dry, you can supplement artificial tears. But one thing to note is that most of the general single bottle package contains preservatives, do not use too much. 6, pay attention to light stimulation. Many white-collar workers like to play games at night, in order not to affect others and often need to turn off the lights, computer screen light directly stimulate the eyeballs, the eyes are very harmful.