Looking at the computer for a long time can easily lead to the occurrence of dry eye, it is necessary to protect the eyes, you can take to maintain a proper posture, improve eye habits, the use of eye drops and a balanced diet and other methods to protect the eyes. 1. When looking at the computer, pay attention to maintain a proper posture, the distance between the eyes and the screen should be between 40 to 50 centimeters, so that both eyes are flat or gazing down at the fluorescent screen, which can make the neck muscles relax and relieve visual fatigue. 2. Usually pay attention to more eye exercises, long time near eye relaxation, in addition to the appropriate outdoor more green plants, can achieve the effect of relieving visual fatigue. 3. Eye drops can be used to relieve fatigue and keep the eyes moist eye drops, such as sodium vitrate eye drops, need to be used under the guidance of a doctor. 4. Maintain a reasonable and nutritionally balanced diet, and eat more vitamin-rich fresh vegetables and fruits. Long time watching computer if eye discomfort should be timely medical treatment.