Space & Astronomy

Astronaut feels toll of space on his body

By T.K. Randall
February 11, 2012 ·  8 comments

Image Credit: NASA As humanity moves toward a spacefaring future, one former astronaut is undergoing a plethora of tests on his eyes as part of a new NASA initiative to prevent astronauts going blind. When Mike Barratt went in to space he required glasses to see over a distance, but when he came back his vision had changed - he now needed glasses to see things close up instead. NASA is focusing its efforts on determining exactly what lead to this dramatic reversal in eyesight.

Source: CNN | Comments (8)

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