Strabismus: etiology, diagnosis, and treatment. American Academy of Ophthalmology.

1. Strabismus is a visual defect in which the eyes are misaligned and point in different directions. The exact cause of strabismus is not fully understood. 2. It is recommended that all children have their vision checked by their pediatrician, family doctor or ophthalmologist (medical eye doctor) at or before their fourth birthday. 3. Treatments for strabismus include surgery, eye drops, eye glasses, exercises and injections, and depend on the type of strabismus present.