U.S. Air Force Capt. Sean Berensen, 633rd Medical Group optometrist, conducts an eye-exam on Chief Master Sgt. Elaine Cole, Air Combat Command commander support staff superintendent, during her annual eye exam at Langley Air Force Base, Va., April 18, 2013. Langley clinic professionals suggest that everyone schedule an annual eye exam to ensure any possible problems are caught at an early stage. (U.S. Air Force photo by Staff Sgt. Antoinette Gibson/Released)