Spaceflight-associated neuro-ocular syndrome: a review of potential pathogenesis and intervention
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Bin Wu. State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing 100094, China. wubinacc@sina.com; Si-Quan Zhu. Eye School of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan Province, China. siquanzhu@163.com

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Supported by China HT Medical Engineering Pre-research Project (No.2017SY54A0302); Open Funding Project of National Key Laboratory of Human Factors Engineering (No.SYFD180051808K).

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    Abstract:

    With the continuing progress in space exploration, a new and perplexing condition related to spaceflight ocular syndrome has emerged in the past four decades. National Aeronautics and Space Administration (NASA) has named this condition “spaceflight-associated neuro-ocular syndrome” (SANS). This article gives an overview of the current research about SANS and traditional Chinese medicine (TCM) by analyzing the existing publications on PubMed and CNKI and reports from NASA about SANS, summarizing the potential pathogenesis of SANS and physical interventions for treating SANS, and discussing the feasibility of treating SANS with TCM. Due to the unique characteristics of the space environment, it is infeasible to conduct large-scale human studies of SANS. SANS may be the result of the interaction of multiple factors, including inflammation and fluid displacement in the optic nerve sheath and cerebrospinal fluid. We should pay attention to SANS. Visual function is not only related to the health of astronauts but also closely related to space operations. TCM has antioxidative stress and antiapoptotic effects and is widely used for optic nerve diseases. TCM has great potential to prevent SANS.

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Jia-Wei Yang, Qiu-Yi Song, Ming-Xu Zhang, et al. Spaceflight-associated neuro-ocular syndrome: a review of potential pathogenesis and intervention. Int J Ophthalmol, 2022,15(2):336-341

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Publication History
  • Received:February 04,2021
  • Revised:November 24,2021
  • Adopted:
  • Online: January 26,2022
  • Published: