Children squinting to watch TV may be caused by habitual factors, congenital strabismus, strabismus and so on. 1. Habitual factors: It may be that the child usually develops the habit of watching TV with squinted eyes, but there is no other abnormality. 2. Congenital strabismus: If the child suffers from congenital strabismus, because of the deformity of the neck, the rotation of the neck will be affected to a certain extent, and the child may need to squint when watching TV, and it is often accompanied by symptoms such as crooked chin and head tilt. 3. Strabismus: It may be caused by neuromuscular pathology, congenital dysplasia, etc. The eye muscle development is unbalanced, when one eye gazes, due to the other eye’s visual axis deviates from the parallel abnormal eye position, so there will be the phenomenon of squinting when watching TV. Children watching TV with squinted eyes may also be caused by other reasons, such as amblyopia, it is best to take the child to the hospital ophthalmology department to find out the cause and actively deal with it.