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Former astronaut, cancer patients aid in vision research

Scientists have known that space travel can produce changes in vision, but precisely why was a mystery until researchers measured pressure inside a few people's brains.

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The McDonald Observatory in Fort Davis on June 18, 2015.
Credit: Cooper Neill

Scientists have known that space travel can produce changes in vision, but precisely why was a mystery until a former astronaut and recovered cancer patients allowed researchers to measure pressure inside their brains. (KERA)

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