NASA research progresses toward understanding ocular consequences of long-duration spaceflights

Although the causes of ocular functional and anatomical changes in astronauts of long-duration spaceflights remain largely unknown, recent studies by NASA are gathering new data. The latest evolutions in OCT technology have brought insights to this research, and substantial efforts are being made to investigate countermeasures to preserve the eye health of crew members.
“Our goal is to determine what causes these changes by investigating weightlessness-induced headward fluid shifts, possible changes in intracranial pressure (ICP), and possible impact of CO2 concentration, radiation,

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