Could Space Travel Make You Go Blind?

Astronauts who return from long trips in space often return with vision loss, and now researchers think they know why.

How Long Could You Survive In Outer Space? – https://youtu.be/RjkrqMm52JI
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New Findings on Astronaut Vision Loss
https://www.nasa.gov/mission_pages/station/research/news/vision_changes.html
“Could vision changes experienced by astronauts be linked to a vitamin B-12 or folate deficiency? While investigating the vision changes recently identified in astronauts, nutritional assessment data showed similarities to symptoms that occur with vitamin deficiencies, according to a new study published in the March edition of The Journal of Nutrition.”

Space could leave you blind, and scientists say they’ve finally figured out why
http://www.sciencealert.com/we-finally-know-why-astronauts-lose-their-vision-in-space-and-it-s-bad-news-for-mars-missions
“A mysterious syndrome has been impairing astronauts’ vision on the International Space Station, causing untreatable nearsightedness that lingers for months even after they’ve returned to Earth.”

Astronaut vision may be impaired by spinal fluid changes: study
http://phys.org/news/2016-11-astronaut-vision-impaired-spinal-fluid.html
“Astronauts may experience blurry vision and impaired eyesight after long spaceflights due to changes in spinal fluid that occur while in microgravity, researchers said Monday. Nearly two-thirds of astronauts have reported problems with their eyes after spending months at the International Space Station, according to research presented at the annual meeting of the Radiological Society of North America (RSNA).”

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Written by: Chante Owens and Julian Huguet

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