Abstract
Potential in-flight risk factors implicated in the VIIP syndrome are carbon dioxide levels and exercise. On board the International Space Station, carbon dioxide is removed by venting or scrubbing, but this can’t keep carbon dioxide levels at the same levels we enjoy on Earth. Exercise may also affect vision due to the effects of increased blood pressure.
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Notes
- 1.
NASA’s upper limits and emergency levels for carbon dioxide are 15 and 20 mmHg respectively [5].
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Seedhouse, E. (2015). The Role of Carbon Dioxide and Exercise. In: Microgravity and Vision Impairments in Astronauts. SpringerBriefs in Space Development. Springer, Cham. https://doi.org/10.1007/978-3-319-17870-7_5
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