Risk Risk of Spaceflight Associated Neuro-ocular Syndrome (SANS)
Short Title: SANS Last Published:  11/23/20 11:55:09 AM (Central)
Element: Human Health Countermeasures (HHC)
Evidence:  Report
Risk Master Logic Diagram:  Not Available
Point of Contact:  Steve Laurie
HRP Risk Status: Active [current research ongoing]
Risk Ratings and Dispositions per Design Reference Mission (DRM) Category
DRM CategoriesMission
OperationsLong-Term Health
LxCRisk Disposition *LxCRisk Disposition *
Low Earth Orbit6 months3x1Accepted3x2Accepted
1 year3x2Accepted3x3Accepted
Deep Space Sortie1 month3x1Accepted3x2Accepted
Lunar Visit/
1 year3x2Accepted3x3Accepted
Deep Space
1 year3x2Requires Mitigation3x3Requires Mitigation
Planetary3 years3x4Requires Mitigation3x4Requires Mitigation
Note: LxC is the likelihood and consequence rating. The information above was last approved by the Human System Risk Board in 4/2020.
Risk Statement
Given that ocular and brain structural changes develop during spaceflight, there is a possibility that these changes could lead to short-term or long-term vision alterations, cognitive effects, or other deleterious health effects.
Gaps (14)