First of all, you should take child to see the eye doctor in order to diagnose the nature of the crossed eyes/strabismus and the degree of the pathological changes, say, whether this will affect the eyesight or not. Then based on the different conditions, doctors usually carry out related therapeutic schedules. Often, the treatments mainly conclude: The optometrist helps examine children's eyes and prescribe right glasses, which do contribute to correct vision; The eye doctor write a prescription for medical expulsive treatment; Do a regular training for children with amblyopic; Have your children finish a surgery of vision correction, which is the most direct way to help children get rid of crossed eye.