Looking at the computer for too long causes blurred vision, a condition usually due to eye strain caused by excessive eye use. To relieve eye fatigue, the following precautions should be noted. First, try to avoid prolonged close eye use, such as contact with computers, cell phones, reading and reading, etc. Second, you need to pay attention to reasonable rest and avoid staying up late and other bad habits. Third, usually need to try to increase outdoor time, can effectively relieve eye fatigue. Fourth, if after the above precautions, the symptoms are still not completely improved, you can use topical anti-fatigue drops, such as Sturgeon eye drops. Fourth, it is necessary to exclude the possibility of refractive error, it is recommended to go to the hospital to do an optometry examination to clarify whether there is myopia or astigmatism and other conditions.