Waspie_Dwarf Posted April 12, 2013 #1 Share Posted April 12, 2013 Chris Hadfield on how eyesight is affected in spaceTo 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/NASAFor more about living in space, visit: http://www.asc-csa.gc.ca/eng/astronauts/living.aspSource: Canadian Space Agency - YouTube Channel Link to comment Share on other sites More sharing options...
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