Squint is a disease of the extraocular muscles in which both eyes cannot look at the target at the same time, and can be divided into two categories: common strabismus and paralytic strabismus. Common strabismus is characterized by the absence of eye movement disorders and equal strabismus in the first and second eye positions; paralytic strabismus has limited eye movement and diplopia, which can be congenital or caused by trauma or systemic diseases. 1.How to do about baby eye strabismus First of all, we should exclude the impact of infant canthus on the appearance, in addition, we can take the child to the regular eye hospital for a face-to-face consultation to ensure the early intervention treatment. 2, strabismus surgery after the eyes will be red how long 2-3 weeks after surgery eyes red will disappear but will also vary depending on the body, once the discomfort should be corrected immediately to avoid delaying treatment. 3, eye strabismus can not be corrected through surgery to determine the need for surgery according to the degree of strabismus, if it is refractive error caused by strabismus can wear glasses for correction, strabismus degree is small with diplopia can wear trigeminal lenses and so on. 4, what are the causes of strabismus There are many causes of strabismus: (1) congenital muscle development abnormalities that cause imbalance in muscle strength resulting in oblique eye position; (2) refractive error adjustment factors, excessive adjustment leads to internal obliquity, insufficient adjustment leads to exotropia; (3) congenital or acquired visual perception disorders such as congenital cataracts, petunia syndrome and other causes of disuse strabismus; (4) genetic factors.