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A phoropter, which is used during an eye exam to measure

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A phoropter, which is used during an eye exam to measure

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Summary

A phoropter, which is used during an eye exam to measure an individual's refractive error and determines their eyeglass prescription, is setup for the Smoky Mountain Innovative Readiness Training mission, Hayesville High School, Hayesville, N.C., Aug. 1, 2017. The IRT program meets training requirements for active, reserve and National Guard members and units while addressing public and society needs. (U.S. Air National Guard photo by Staff Sgt. Ryan Campbell)

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Date

01/08/2017
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Defense Visual Information Distribution Service
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