If children and adolescents often overuse their eyes, it is easy to cause eye fatigue performance, the symptoms are generally manifested as soreness and dryness of the eyes, and accompanied by obvious foreign body sensation, burning sensation, occasional photophobia, tearing and other performance, and accompanied by a mild loss of vision, and in serious cases, it can cause systemic performance, such as dizziness and headache. In order to avoid this situation, it is important to maintain reasonable eye habits and minimize excessive eye use. First of all, reduce the time of using eyes at close range, such as reading or using electronic products such as computers and cell phones. Secondly, increase outdoor time appropriately, this is the most effective way to relieve eye fatigue, if you can ensure 1-2 hours of outdoor time every day, eye fatigue symptoms will be effectively reduced. If there is refractive error in the glasses, you need to wear glasses early.