Craig H. Kliger, MD, is a board certified ophthalmologist who is a subspecialist in cornea/external disease and refractive surgery. He is a clinical instructor at the Jules Stein Eye Institute of the UCLA School of Medicine and a medical editor for WebMD. Douglas J. Nishida, OD, FAAO, is a practicing optometrist in Los Angeles and a fellow of the American Academy of Optometry.