Vision Blurred (Astigmatism) Surgery: References

What Is Refractive Surgery? American Academy of Ophthalmology. http://www.aao.org/eye-health/treatments/what-is-refractive-surgery. Dec 12, 2015. Accessed October 2016.

Ingraham H, ed. American Academy of Ophthalmology. 2015-2016 Basic and Clinical Science Course. San Francisco: American Academy of Ophthalmology; 2015; v.1-13.