Visual fatigue is a syndrome of subjective symptoms caused by excessive use of the eyes while studying or working. For “visual fatigue”, there are more and more convenient solutions on the market nowadays, and more and more people are beginning to pay attention to their own vision health. The increasing number of people suffering from “visual fatigue” is also a manifestation of modern lifestyle changes and social progress, and the real reason is the importance people attach to their eyes and their own health. Under normal circumstances, the tears in the eyes form a film that covers the surface of the cornea and conjunctiva, called the tear film. After each time a person blinks, a tear film is formed, which keeps the eyes moist and comfortable, so it is less likely to produce symptoms such as dry eyes and fatigue. However, if one stares at a target for a long time (such as using a computer or book) for too long, the blinking frequency decreases and a tear film cannot be formed in time, which can lead to dryness of the eye surface and cause visual fatigue. Eye drops do not cure visual fatigue, although some eye drops do relieve some of the symptoms of visual fatigue. Each person can also make a rough judgment of whether he or she suffers from visual fatigue, i.e., if he or she has three or more of the symptoms, such as headache, tearing, blurred vision, double vision, eye pain, photophobia, blinking, nausea, and heavy eyelids, he or she may have developed visual fatigue. For the prevention and treatment of visual fatigue there are several points to note: first, when there are symptoms of visual fatigue first go to the hospital for examination, in order to exclude eye disease and other diseases caused by visual fatigue; second, eliminate the various factors that cause visual fatigue; third, adolescents should pay more attention to the symptoms of visual fatigue, promptly go to the hospital to find out the cause, early treatment; fourth, can follow the doctor’s instructions to use eye drops for the treatment of visual fatigue, do not buy in the drugstore itself You should not buy drugs at pharmacies. At the same time, strengthen physical exercise, physical and mental health can also help prevent visual fatigue. With the popularity of computer applications, some people began to go to the hospital due to visual fatigue, dry eyes, vision loss. The best way to get rid of visual fatigue is to exercise properly. Long hours of ambulation, close work, excessive use of eye regulation, will add importance to fatigue. People who use their eyes for a long time should pay great attention to eye care. There are several ways to relieve visual fatigue for you to choose from: exercise, do eye exercises, far away. Usually, we should ensure sufficient sleep, work and rest, balanced diet and regular life. If you have eye diseases and other systemic diseases, you should be promptly treated; pay attention to eye regulation and protection. Relax and maintain good physical and mental health.