Col. Robert Tyszko, an optometrist with the New Hampshire Medical Detachment, National Guard, Joint Task Force Jaguar, uses a retinoscope to assess the eyes of a patient at a free medical clinic during Beyond the Horizon in Caluco, El Salvador, April 17, 2013. Beyond the Horizon is a chairman of the Joint Chiefs of Staff-directed, Southern Command-sponsored joint and combined field training humanitarian exercise. ( Army photo by Sgt. 1st Class Horace Murray/Released) Medical Readiness Exercise in Caluco 130417-A-MO736-065

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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