Human Eyes in Orbit Swell & Change Shape: Space-Sightedness | Video

454 views · Published 4 February 2014 · 2:20 · Indexed 4 October 2026

Channel: Live Science · 2014 · Entertainment

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NASA studies of microgravity effects on vision have found that tissue at the back of the eyes swells and distorts in shape. This causes both nearsightedness and farsightedness for astronauts.

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