From right, Dr. William Velardi, 633rd Aerospace Medicine Squadron optometrist, assesses a patient’s eye health at Joint Base Langley-Eustis, Va., Oct. 3, 2017. The Optometry Clinic is dedicated to maintaining U.S. Air Force Airmens’ vision, so they are fit to fight. (U.S. Air Force photo by Airman 1st Class Alexandra Singer)