Eyes Point in Different Directions (Strabismus): References

Ingraham H, ed. American Academy of Ophthalmology. 2017-2018 Basic and Clinical Science Course. San Francisco: American Academy of Ophthalmology; 2017; v.1-13.

What is strabismus? American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/what-is-strabismus. April 14, 2014. Accessed July 2019.