Increased volumes of orbital and ventricular CSF may cause ocular changes in astronauts

Written by Jonathan Wilkinson

Research presented at the annual meeting of the Radiological Society of North America (27 November–2 December 2016, Chicago, IL, USA) has revealed that visual impairment intracranial pressure, a problem affecting astronauts involved in prolonged space missions, may be caused by changes in CSF levels. In recent years, flight surgeons and scientists at NASA have noticed that many astronauts suffer from blurry vision; in addition to this, flattening occurs at the back of their eyeballs and inflammation of the head of their optic nerves has been observed, amongst other structural changes. This syndrome has been reported in nearly two-thirds of astronauts...

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