Changes in cerebrospinal fluid volume the culprit behind astronauts' blurry vision [feedly]

As missions aboard the International Space Station (ISS) have grown longer, astronauts have been repeatedly complaining of blurred vision and, fearing that this condition might not be reversible on returning from Earth, NASA has been investigating the causes. Now a team led by Noam Alperin, professor of radiology and biomedical engineering at the University of Miami Miller School of Medicine in Miami, Florida has completed a study that indicates the culprit might be a change in volume in the astronaut's cerebrospinal fluid.

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http://newatlas.com/blurry-vision-cause-astronauts-spinal-fluid/46667/