The Expedition 50 crew is continuing its investigation into vision changes and eye damage some astronauts have experienced after long-term missions in space. Living in the microgravity environment causes a headward fluid shift that may be causing pressure behind astronauts’ eyes resulting in visual and physical changes. Two cosmonauts, Sergey Ryzhikov and Andrey Borisenko, and …
Crew Studies How Space Affects Eyesight
