How do parents find problems in their daily lives?

If you find the child has the following performance, you need to take the child to the hospital to check whether the diagnosis of myopia, and avoid delay treatment.
Look at things often squint;
Frequent blink
3. dial vision as seen on tv always rub your eyes;
Often looking around;
5. often frown;
6. dial vision glasses price is cheap than other product. often pull the corner;
To see things often strabismus;
8. look at things when the eyes and things posted very close, and occasionally wrestling for no reason.
Mom vs. Vivian, think of Vivi often blink, watching TV when tilted his head, it seems necessary to go to the hospital to check.