NASA astronaut Peggy Whitson collects Fundoscope images of the back of the eye during a routine check into astronaut eyesight.
iss050e016672 (Dec. 15, 2016) — NASA astronaut Peggy Whitson collects Fundoscope images of the back of the eye during a routine check into astronaut eyesight. Crew members’ bodies change in a variety of ways during space flight, and some experience impaired vision.