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Army Sgt. Angelia Matheis, an Army Reserve eye specialist assigned to the Wyoming National Guard Medical Detachment during Beyond the Horizon 2017, uses an auto refractormeter while testing how a patient's eyes focus on the first day of a medical readiness event being held from May 8-16 in San Ignacio, Belize. BTH 2017 is a Southern Command-sponsored, Army South-led exercise designed to provide humanitarian and engineering services to communities in need, demonstrating support for Belize.
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