New insights into changes in ocular structural parameters in simulated hypobaric hypoxia Article Swipe
Yuchen Wang
,
Anqi Guo
,
Xinli Yu
,
Yihe Liu
,
Zesong Wang
,
Jiaxing Xie
,
Xinzuo Zhou
,
Siru Liu
,
Jiaxi Li
,
Cheng‐Kai Zhou
,
Yuanhong Li
,
Chao Sun
,
Jing Zhang
,
Ziyuan Liu
,
Xuemin Li
,
Li Ding
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1136/bmjophth-2024-001928
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1136/bmjophth-2024-001928
Purpose High altitude is the main area for human exploration, and human eye is an important organ for obtaining visual signals. The changes of ocular structural parameters in a simulated hypobaric hypoxia environment need to be clarified. Methods Measurements were taken at five altitudes ((1) ground, (2) 3500 m, (3) 4000 m, (4) 4500 m and (5) ground). Refractive values were measured with the IOL Master (Carl Zeiss Shanghai Co. Ltd.). Data analysis was performed using the Kolmogorov-Smirnov (K-S) test, paired sample T-test and Wilcoxon test. Results Subjects’ axial length (AL) increased with altitude, peaking at 4500 m, then decreased. Significant AL differences were observed across altitudes (p<0.05), except between 2–5 and 3–5. Central corneal thickness (CCT) thickened then thinned with elevation changes, significantly thicker at altitudes 2–5 compared with the baseline (p<0.05). Lens thickness (LT) followed a similar pattern, increasing up to altitude 4, then decreasing at 5. Correlations were found between AL and LT at altitudes 1 (r=0.375, p<0.05) and 5 (r=0.341, p<0.05), and between AL and CCT at altitude 4 (r=0.337, p<0.05), but not elsewhere. Conclusions As altitude increases and acute low-pressure hypoxia worsens, changes in AL, CCT and LT may affect pilots’ visual function, information acquisition, decision-making and flight safety.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1136/bmjophth-2024-001928
- OA Status
- gold
- Cited By
- 1
- References
- 18
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4408043494
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W4408043494Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1136/bmjophth-2024-001928Digital Object Identifier
- Title
-
New insights into changes in ocular structural parameters in simulated hypobaric hypoxiaWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-02-01Full publication date if available
- Authors
-
Yuchen Wang, Anqi Guo, Xinli Yu, Yihe Liu, Zesong Wang, Jiaxing Xie, Xinzuo Zhou, Siru Liu, Jiaxi Li, Cheng‐Kai Zhou, Yuanhong Li, Chao Sun, Jing Zhang, Ziyuan Liu, Xuemin Li, Li DingList of authors in order
- Landing page
-
https://doi.org/10.1136/bmjophth-2024-001928Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://doi.org/10.1136/bmjophth-2024-001928Direct OA link when available
- Concepts
-
Altitude (triangle), Effects of high altitude on humans, Hypobaric chamber, Hypoxia (environmental), Ophthalmology, Wilcoxon signed-rank test, Medicine, Atmospheric sciences, Chemistry, Mathematics, Internal medicine, Oxygen, Anatomy, Physics, Geometry, Mann–Whitney U test, Organic chemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1Per-year citation counts (last 5 years)
- References (count)
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18Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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