LANGLEY AIR FORCE BASE, Va. -- Ms. Tiffany Alston, certified ophthalmic assistant is given an Auto Kerato-Refraction test here Aug. 18. August is National Children's Vision and Learning Month, so before children start heading back to the classroom, the American Optometric Association (AOA) recommends a visit to the optometrist. (U.S. Air Force photo/Airman 1st Class Jonathan Koob)