Posted on July 18, 2025, 3:20 pm By professorrosado
Research More At iKnowdle!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-Ocular Syndrome (SANS).
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