Senior Airman Julian Carbajal, 52nd Aerospace Medicine Squadron optometric technician, helps Maj. Gen. John Wood, Third Air Force commander, use a handheld autorefractor to look into the eye of Chief Master Sgt. Anthony Munoz, Third Air Force command chief, at Spangdahlem Air Base, Germany, Oct. 11, 2018. The autorefractor is a machine used to provide a person’s refractive error during an eye examination. (U.S. Air Force photo by Airman 1st Class Branden Rae)