20/20 Vision

Tech. Sgt. Kelly Carter, 2nd Aerospace Medical Squadron paraoptometric technician, measures the distance between the eyes of 1st Lt. Tiffanie Katz, 2nd Comptroller Squadron financial services flight commander, at the optometry clinic on Barksdale Air Force Base, La., April 4, 2013. The measurement is used to obtain a proper fit for new glasses. (U.S. Air Force photo/Senior Airman Sean Martin)

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$A picture of a patient's eye is taken using an auto-refractor/karotometer during a routine eye exam on Barksdale Air Force Base, La., April 4, 2013. An auto-refractor gives a patient's baseline prescription and a karotometer measures the curvature of the cornea. (U.S. Air Force photo/Senior Airman Sean Martin)$

20/20 Vision

A picture of a patient's eye is taken using an auto-refractor/karotometer during a routine eye exam on Barksdale Air Force Base, La., April 4, 2013. An auto-refractor gives a patient's baseline prescription and a karotometer measures the curvature of the cornea. (U.S. Air Force photo/Senior Airman Sean Martin)

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20/20 Vision

Michael Hoskins, 2nd Aerospace Medical Squadron paraoptometric technician, gives a cover test to 1st Lt. Tiffanie Katz, 2nd Comptroller Squadron financial services flight commander, during a routine eye exam on Barksdale Air Force Base, La., April 4, 2013. The test is used to detect for a muscle imbalance which can cause a patient to be prescribed glasses. (U.S. Air Force photo/Senior Airman Sean Martin)

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$Tech. Sgt. Kelly Carter, 2nd Aerospace Medical Squadron paraoptometric technician, uses a topographer on Airman 1st Class Christine Blanco, 2 MDG X-ray technician, on Barksdale Air Force Base, La., April 4, 2013. The topographer takes a photo of the cornea which is used for refractive surgery. (U.S. Air Force photo/Senior Airman Sean Martin)$

20/20 Vision

Tech. Sgt. Kelly Carter, 2nd Aerospace Medical Squadron paraoptometric technician, uses a topographer on Airman 1st Class Christine Blanco, 2 MDG X-ray technician, on Barksdale Air Force Base, La., April 4, 2013. The topographer takes a photo of the cornea which is used for refractive surgery. (U.S. Air Force photo/Senior Airman Sean Martin)

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$Airman 1st Class Christine Blanco, 2 MDG X-ray technician, has a picture taken of her eye with a topographer on Barksdale Air Force Base, La., April 4, 2013. The topographer takes a photo of the cornea which is used for refractive surgery. (U.S. Air Force photo/Senior Airman Sean Martin)$

20/20 Vision

Airman 1st Class Christine Blanco, 2 MDG X-ray technician, has a picture taken of her eye with a topographer on Barksdale Air Force Base, La., April 4, 2013. The topographer takes a photo of the cornea which is used for refractive surgery. (U.S. Air Force photo/Senior Airman Sean Martin)

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20/20 Vision

Tech. Sgt. Kelly Carter, 2nd Aerospace Medical Squadron paraoptometric technician, fixes a pair of glasses at the optometry clinic on Barksdale Air Force Base, La., April 4, 2013. Active-duty Airmen who require corrective lenses are allotted one pair of frames per year, which they may choose from a variety of in-regulation frames the clinic has to offer. (U.S. Air Force photo/Senior Airman Sean Martin)

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Published April 4, 2013

20/20 Vision

20/20 Vision

20/20 Vision

20/20 Vision

20/20 Vision

20/20 Vision