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Astronauts' Eyes Get Weaker When They Go On Long Missions To Space"This is probably what causes the expansion of the choroid, the vascular layer that nourishes the retina." The researchers suggest that the choroid's expansion during weightlessness could stretch ...
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Astronauts' eyes weaken during long space missions, raising concerns for Mars travel"This is probably what causes the expansion of the choroid, the vascular layer that nourishes the retina." According to the researchers, the expansion of the choroid during weightlessness could ...
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