Maj. Carli Murphy, 436th Aerospace Medicine Squadron optometry flight commander, performs a slit lamp examination on Staff Sgt. Courtney Herrera, 436th Medical Support Squadron radiologic technologist, during a routine eye examination May 8, 2019, at the Optometry Clinic on Dover Air Force Base, Del. The slit lamp allowed Murphy to examine the health of Herrera’s eyes by viewing the optic nerves, blood vessels, macula, retina, cornea, iris and eye lids. (U.S. Air Force photo by Roland Balik)