Astronauts Reporting Vision Problems

Hello reader!
It follows one communicates published in english on the day (20/09) in the website “Space Daily" noting that the astronauts reporting vision problems.
Duda Falcão
SPACE MEDICINE
Astronauts Reporting Vision Problems
by Staff Writers
Orlando, Fla. (UPI) Sep 20, 2011
Astronauts who've spent long periods in space have experienced blurred vision, a problem that could jeopardize long