How does exotropia come about?
The causes of exotropia are not fully contained. There are six muscles that control eye movement, four that move it up and down and two that move it side to side. All these muscles must be coordinated and working properly in proclaim for the brain to see a single image. When one or more of these muscles doesn’t work properly, some form of strabismus may go on. Strabismus is more common contained by children with disorders that affect the brain such as rational palsy, Down syndrome, hydrocephalus, and brain tumors.
