The treatment of visual fatigue should be directed at the causes of visual fatigue, and the causes of visual fatigue should be understood and analyzed first, and treated for the causes. For high farsightedness, high astigmatism, refractive error caused by visual fatigue, should be timely optometry and glasses, to reduce the burden of excessive adjustment of the eyes; for presbyopia caused by visual fatigue, can wear presbyopic glasses to solve. In the prevention of visual fatigue, you can do: 1, sports: do eye exercises after a long time with the eyes to increase the blood supply to the eyes to relieve visual fatigue; active participation in sports can also relax the eyes. Generally speaking, half an hour of activity, you can get a good rest for the eyes. 2, eye habits: read books, read the computer posture should be correct, adjust the brightness of the screen and the size of the font; do not read books in shocking, shaking conditions, the light should be moderate. 3, diet and sleep: ensure sufficient sleep, work and rest, balanced diet, eat more fruits and vegetables; 4, environmental aspects: adjust the humidity and temperature in the house, keep some green plants. 5, eye drops: (1) available eye drops containing vitamin B12 or artificial tears, which can moisten the eyes and improve the symptoms, but there is no drug that can really treat visual fatigue. (2) dilated eye drops, which can relax the ciliary muscle, but will cause difficulty in seeing close, should be used at your discretion. The solution to visual fatigue includes the correction of refractive error and presbyopia, the development of good eye habits and lifestyle habits, and also the appropriate point to relieve visual fatigue eye drops.