US EditionVision Problems Emerge as Astronauts Spend Months in Orbit
INTERNATIONAL SPACE STATION, JUL 18 – NASA and partners study Space-Associated Neuro-Ocular Syndrome affecting about 40% of astronauts during long missions due to microgravity-induced fluid shifts impacting vision.
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40% of People Have Eyes That Aren't Perfectly Round. Here's What You Need to Know.
Have you ever gone to the optometrist for an eye test and were told your eye was shaped like a football? Or perhaps you've noticed your vision is becoming increasingly blurry or hard to focus? You might be among the 40% of people in the world who live with astigmatism.
Vision problems emerge as astronauts spend months in orbit
When astronauts began spending six months and more aboard the International Space Station, they started to notice changes in their vision. For example, many found that, as their mission progressed, they needed stronger reading glasses. Researchers studying this phenomenon identified swelling in the optic disk, which is where the optic nerve enters the retina, and flattening of the eye shape. These symptoms became known as Space-Associated Neuro-…
When astronauts began to spend six months or more aboard the International Space Station, they began to notice changes in their vision. For example, many found that as their mission progressed, they needed stronger reading glasses. Researchers studying this phenomenon [...]
NASA (Source)
ecotopical.comVision Changes on Space Station
4 Min Read Vision Changes on Space Station NASA astronaut Jonny Kim, assisted by JAXA astronaut Takuya Onishi, performs an eye ultrasound on the International Space Station. Credits: NASA Science in Space July 2025 When astronauts began spending six months and more aboard the International Space Station, they started to notice changes in their vision. For example, many found that, as their mission…
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