Master Sgt. Tamika Thomas, 36th Medical Operations Squadron aerospace medicine flight chief, tests different lenses to find the correct eyeglasses prescription controlled by Lt. Col. Christine Stabile, 36th Medical Support Squadron commander, July 31, 2013, on Andersen Air Force Base, Guam. The new system allows the series of machines that are used in eye exams to synchronize electronically for a faster flow of data. (U.S. Air Force photo by Airman 1st Class Emily A. Bradley/Released)
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