• The Great Non-Debate: Epi-On vs. Epi-Off CXL Description: Roy S. Rubinfeld, MD, MA, describes the differences between Epi-On and Epi-Off. He walks through the history of these procedures and their scientific advances. He discusses some of the complications and problems that these procedures can potentially cause to patients, and expresses his views on this controversial subject. Presented at AAO 2016 symposium, “Therapeutic and Refractive Crosslinking,” co-sponsored by ISRS. Subspecialty: Refractive Management / Intervention Level: Beginner Uploaded By: ISRS Multimedia Library