Sunglasses: References

Dang S. How to Choose the Best Sunglasses. American Academy of Ophthalmology. How to Choose the Best Sunglasses. May 1, 2015. Accessed September 2017.

Ingraham H, ed. American Academy of Ophthalmology. 2016-2017 Basic and Clinical Science Course. San Francisco: American Academy of Ophthalmology; 2016; v.1-13.

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