Capt. Frank Cumbie, 1st Helicopter Squadron pilot, sits still while a Technolas Orbscan is taken of the his eye March 18, 2015, in Malcolm Grow Medical Clinics and Surgery Center on Joint Base Andrews, MD. The Orbscan measures multiple regions within the patient’s eye to provide critical information to surgical staff prior to a Photorefractive Keratectomy procedure. (U.S. Air Force photo/Senior Airman Preston Webb)