Home » Topics » cerebrospinal fluid

Astronauts’ eyeballs deformed by long missions in space, study finds

By Ian Sample Flattening at the back of their eyes may be caused by increased pressure of cerebrospinal fluid in microgravity Brain scans of Nasa astronauts who have returned to Earth after more than a month in space have revealed potentially serious abnormalities that could jeopardise the future of long-term…