Air Force Staff Sgt. River Carson, 8th Medical Operations Squadron public health technician, stares through the slit lamp during his eye exam at Kunsan Air Base, Republic of Korea, March 24, 2017. The slit lamp uses an intense beam of light to show the eye in detail to check for abnormalities during eye checkups. ( Air Force photo by Senior Airman Colville McFee/Released)

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Size: 4256px × 2832px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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