There is astigmatism, so vision will be affected. It can be treated surgically in adulthood. After eight years old, they can wear cornea and plastic lens, which has a certain effect. There is no absolute relationship between the degree of ametropia and visual acuity.

　　This kind of family environment is very easy to cause children's rebellious psychology, so Wang Ying is not without reason. But you can tell your brother that you are now resisting the family. On the surface, you are satisfied in your heart, but in fact, you have to bear the consequences yourself.

　　For example, in order to get revenge on his family, a person deliberately went to school and didn't study hard, and finally found a job. In the morning, even if he goes on the road of crime, it's him who makes the prison at last! It's useless to set too big a goal. We should decompose the goal.

　　The reaction may not occur within 40 minutes, and follow-up observation is needed. I don't have time to contact the formaldehyde testing agency directly. It took a long time. You can find a counselor for your child to do long-term counseling. At present, there is no problem from the numerical point of view.