Carol McNulty, 28th Medical Group optometry technician, examines Staff Sgt. Crystal Jacquot, 28th Bomb Wing non-commissioned officer in charge wing information management, eyes by checking her intraocular pressure with a non-contact tonometer, May 20. The non-contact tonometer determines the intracular pressure by applying a burst of air into each eye. (U.S. Air Force photo/ Airman Corey Hook)