Persistent Globe Flattening in Astronauts following Long-Duration Spaceflight.
SANS
astronaut
hyperopic shift
international space station (ISS)
long-duration space flight (LDSF)
visual changes
Journal
Neuro-ophthalmology (Aeolus Press)
ISSN: 0165-8107
Titre abrégé: Neuroophthalmology
Pays: England
ID NLM: 8408966
Informations de publication
Date de publication:
2021
2021
Historique:
entrez:
25
3
2021
pubmed:
26
3
2021
medline:
26
3
2021
Statut:
epublish
Résumé
Posterior globe flattening has been well-documented in astronauts both during and after long-duration space flight (LDSF) and has been observed as early as 10 days into a mission on the International Space Station. Globe flattening (GF) is thought to be caused by the disc centred anterior forces created by elevated volume and/or pressure within the optic nerve sheath (ONS). This might be the result of increased intracranial pressure, increased intraorbital ONS pressure from compartmentalisation or a combination of these mechanisms. We report posterior GF in three astronauts that has persisted for 7 years or more following their return from LDSFs suggesting that permanent scleral remodelling may have occurred.
Identifiants
pubmed: 33762785
doi: 10.1080/01658107.2020.1791189
pii: 1791189
pmc: PMC7946045
doi:
Types de publication
Journal Article
Langues
eng
Pagination
29-35Informations de copyright
© 2020 Taylor & Francis Group, LLC.
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