1 Viterbi Family Department of Ophthalmology, Shiley Eye Institute, University of California, San Diego, La Jolla, California.
2 Viterbi Family Department of Ophthalmology, Shiley Eye Institute, University of California, San Diego, La Jolla, California; Surgery Department, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.