First, parents should take their children for regular vision checkups to detect vision abnormalities early; second, they should pay attention to their children’s performance. Children with myopia often have the following behaviors: for example, they often squint their eyes when looking at distant objects. When reading and watching TV, they like to sit very close, and they like to frown when looking at objects. There are also changes in personality and emotions, such as impatience, relationship with children becomes uncomfortable, and action and thinking ability decreases. Lack of patience in learning and a decline in academic performance. If you find that your child has any of these symptoms, you should consider the possibility of myopia or vision problems, and you need to go to the hospital for an examination.