Maj. John Kim, 36th Medical Operations Squadron chief of optometry services, inspects the eye of Petty Officer 2nd Class Chris Rumbaua, Fleet Air Forward Detachment Aircraft Intermediate Maintenance Department life support technician, Jan. 27, 2016, at Andersen Air Force Base, Guam. Kim used a slit lamp, which allows him to closely inspect the eyes by combining a movable light source and magnification. (U.S. Air Force Photo/Airman 1st Class Jacob Skovo)