Drooping Eyelid (Ptosis) in Children: References

What Is Ptosis? American Academy of Ophthalmology. http://www.aao.org/eye-health/diseases/what-is-ptosis. September 2016. 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.