• Step-by-step LASIK and PRK Description: Sonia J. Yoo, MD, provides critical information about patient preparation, procedures, laser treatments, and postoperative care regarding LASIK and PRK surgeries. She provides step-by-step information on how to successfully perform each surgery. Presented at AAO 2016 symposium, “Introduction to Corneal and Lens-Based Refractive Surgery for Residents,” co-sponsored by ISRS. Subspecialty: Refractive Management / Intervention Level: Beginner Uploaded By: ISRS Multimedia Library