When astronauts stay in outer space for extended periods, they frequently develop a vision problem known as spaceflight-associated neuro-ocular syndrome (SANS). Scientists are now trying to keep that ...

Becoming an astronaut requires perfect 20/20 vision, but unfortunately, the effects of space can cause astronauts to return to Earth with degraded eyesight. Now, researchers from UT Southwestern ...

NASA astronauts' new high-tech vacuum sleeping bags seek to provide a solution to their vision problems as the space agency gears up for long-term missions to the Moon and, later on, Mars. JEZERO ...

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Did you know that squashed eyeballs were a big problem for astronauts? It sounds weird (and gross) but many astronauts come back from space with worse vision than when they left. High pressure in zero ...