Recently, Huai 'an one-year-old baby was nearsighted after watching video early education. It has attracted people's attention. In this regard, doctors suggest that children should not be exposed to electronic products too much before going to school. The eyes are the windows of the human spirit. More than 80% of human cognitive behaviors are obtained through vision. Abnormal visual function has brought great inconvenience to people's work, study and life. ? Vision problem is one of the most common health problems of children and adolescents. In China, the incidence of abnormal vision is increasing and tends to be younger. Vision problems seriously affect the healthy growth of young children and become a public health problem that people pay more and more attention to.

In order to correct and prevent vision problems, we should do the following. Before the age of 6, it is a sensitive period for visual development, and it is also a prone period for correcting visual abnormalities. The younger the age, the higher the cure rate. Therefore, regular vision examination is the basic measure of preschool children's medical care, so as to find out children's vision abnormality early, correct and intervene in time, and grasp the golden period of correction. Parents should let preschool children develop good eye habits and correct all bad eye habits.

Ensure that children sleep 10- 12 hours every day. Provide rich and balanced nutrition, not picky eaters or partial eclipse, eat more vegetables and fruits rich in vitamin A and vitamin C, and foods with high protein content such as eggs, milk, meat, fish and animal liver, so as to ensure adequate intake of trace elements. Reduce preschool children's exposure to electronic products (especially mobile phones and tablets).

Finally, parents must be educated to improve their awareness of protecting their children's eyesight. Because parents are the partners who have been in contact with their children for the longest time and have the closest life, their cognitive level is directly related to their children's bondage behavior, thus reducing the occurrence of abnormal vision of children and ensuring that children can study, work and live smoothly when they grow up in bright eyes. The problem of abnormal vision of preschool children can not be ignored. The relevant health departments should attach great importance to it. It is necessary to formulate feasible management plans and intervention measures to form a long-term mechanism. Because children's self-control ability is still very poor, parents and teachers should be jointly responsible for supervision and promote children's vision health.