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Related Experiment Video

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Assessment of Global Ocular Structure Following Spaceflight Using a Micro-Computed Tomography Micro-CT Imaging Method
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Choroidal structural changes in airline pilots and cabin crew.

Burcu Isık1, Mehmet Giray Ersoz2, Muhammet Sedat Ofluoglu3

  • 1Ophtalmology Department, Biruni University Hospital, Eski Londra Asftaltı No: 10 Florya, 34349, Istanbul, Turkey.

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|November 22, 2022
PubMed
Summary

Airline pilots and cabin crew exhibit thicker choroidal thickness (CT) compared to the general population. However, choroidal vascularity index (CVI) remains unchanged, suggesting unique occupational factors may influence choroidal structure.

Keywords:
Airline pilotsCabin crewChoroidal thicknessChoroidal vascularity index, flight personnel

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Area of Science:

  • Ophthalmology
  • Aerospace Medicine
  • Vascular Biology

Background:

  • The ocular health of airline pilots and cabin crew is a growing concern due to unique occupational exposures.
  • Previous research has not extensively explored choroidal structural changes in this population.
  • Understanding these changes is crucial for assessing long-term ocular health risks.

Purpose of the Study:

  • To investigate differences in choroidal thickness (CT) and choroidal vascularity index (CVI) between airline pilots-cabin crew and a healthy control group.
  • To determine if occupational factors associated with aviation affect choroidal vasculature.

Main Methods:

  • A prospective study comparing 50 airline pilots-cabin crew with 50 healthy controls.
  • Subfoveal CT and CVI were measured using spectral-domain optical coherence tomography with enhanced depth imaging.
  • One eye per participant was selected based on OCT scan score.

Main Results:

  • No significant differences in age or sex were observed between groups.
  • Airline pilots-cabin crew demonstrated significantly thicker choroidal thickness (CT) compared to controls (p=0.001).
  • No significant differences in choroidal vascularity index (CVI) were found between the groups (p=0.5).

Conclusions:

  • Airline pilots-cabin crew possess thicker choroidal tissue but show no alterations in choroidal vascularity.
  • Further research is warranted to explore the impact of specific occupational exposures on choroidal structural changes in aviation personnel.