Maj. (Dr.) Gerardo Robles-Morales, 22nd Aerospace Medical Squadron optometry flight commander, uses a binocular indirect ophthalmoscope during an examination with Staff Sgt. Aaron Prevost, 22nd AMDS optometry flight chief Jan. 31, 2018, at McConnell Air Force Base, Kansas. Robles-Morales used the binocular indirect ophthalmoscope to check Prevost’s retina through dilation of the pupil. (U.S. Air Force photo by Airman 1st Class Alan Ricker)
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