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NASA Faces Eye Health Crisis Among ISS Astronauts

1/31/2025

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Summary

Story summary

Astronauts are grappling with a troubling health concern called spaceflight-associated neuro-ocular syndrome (SANS), with over 70% of those aboard the ISS showing alarming eye changes from extended time in microgravity. Although many recover post-mission, NASA is urgently seeking solutions to safeguard future explorers on the journey to Mars.

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Story summary

Astronauts are grappling with a troubling health concern called spaceflight-associated neuro-ocular syndrome (SANS), with over 70% of those aboard the ISS showing alarming eye changes from extended time in microgravity. Although many recover post-mission, NASA is urgently seeking solutions to safeguard future explorers on the journey to Mars.