Eyelid Turns In or Out (Ectropion or Entropion): References

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

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