Eyes Point in Different Directions (Strabismus): References

What Is Strabismus? American Academy of Ophthalmology. http://www.aao.org/eye-health/diseases/what-is-strabismus. Apr 14, 2014. Accessed October 2016.

American Academy of Ophthalmology. 2014-2015 Basic and Clinical Science Course. San Francisco: American Academy of Ophthalmology, 2014; v.1-13 .

Yanoff M, Duker JS. Ophthalmology, 4th edition. Philadelphia: Mosby, 2013.