Optic disc edema develops in most astronauts during long‐duration spaceflight. It is hypothesized to result from weightlessness‐induced venous congestion of the head and neck and is an unresolved health risk… Click to show full abstract
Optic disc edema develops in most astronauts during long‐duration spaceflight. It is hypothesized to result from weightlessness‐induced venous congestion of the head and neck and is an unresolved health risk of space travel.
               
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