Boyd K. What Is Optic Neuritis? American Academy of Ophthalmology. http://www.aao.org/eye-health/diseases/what-is-optic-neuritis. Mar 1, 2016. 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.