Staff Sgt. Mary Nelson, 48th Aerospace Medicine Squadron, undergoes a refraction eye test, Jan. 22 at RAF Lakenheath, England. A refraction test measures the eyes' need for corrective lenses. (U.S. Air Force photo by Airman 1st Class Erika Brooke)
Airman 1st Class Larissa Labarbera, 48th Aerospace Medicine Squadron optometry technician, gives Staff Sgt. Mary Nelson a refraction eye test, Jan. 22 at RAF Lakenheath, England. A refraction test measures the eyes' need for corrective lenses. (U.S. Air Force photo by Airman 1st Class Erika Brooke)
Airman 1st Class Larissa Labarbera, 48th Aerospace Medicine Squadron optometry technician, gives her patient a visual field test measuring all areas of eyesight including peripheral vision, Jan. 22 at RAF Lakenheath, England. (U.S. Air Force photo by Airman 1st Class Erika Brooke)