Neuro-ocular Syndrome

NASA

Risk of Spaceflight Associated Neuro-ocular Syndrome

Exposure to altered gravity can cause ocular and brain structural changes to develop during spaceflight; these changes could lead to vision alterations, cognitive effects, or other deleterious health effects. SANS is a syndrome unique to humans that fly in space, and there is no terrestrial disease equivalent. Brain structural changes appear small but seem to indicate that over half of…