U.S. Air Force Senior Airman Joshua Gaon, 633rd Surgical Operations Squadron ophthalmic technician, prepares an artificial eye lens during a cataract extraction surgery at U.S. Air Force Hospital Langley at Langley Air Force Base, Va., Dec. 17, 2013. Along with ophthalmic care, the squadron offers general surgery, urology, orthopedics, radiology and physical and occupational therapy services. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)