Chris Hadfield on how eye sight is affected in space

canadianspaceagencyReport

Published on Apr 9, 2013

To better understand how vision is impacted in the space environment, astronauts use onboard medical instruments like the tonometer to examine the health of eyes. Commander Chris Hadfield gives us an inside look at these instruments and demonstrates how they work. Credit: CSA/NASA

For more about living in space, visit: http://www.asc-csa.gc.ca/eng/

 

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