Strabismus is the condition in which both eyes do not point in the same place at the same time. Esotropia is a form of strabismus in which an eye turns in toward the nose (crossed eyes). Exotropia is the term used when an eye turns out toward the ear (wall-eyes). At Cook Vision Therapy we specialize in the non-surgical treatment of strabismus. Discover the beauty of straight eyes and a three dimensional world.