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Related Experiment Video

Updated: Jul 12, 2026

Assessment of Global Ocular Structure Following Spaceflight Using a Micro-Computed Tomography (Micro-CT) Imaging Method
09:11

Assessment of Global Ocular Structure Following Spaceflight Using a Micro-Computed Tomography (Micro-CT) Imaging Method

Published on: October 27, 2020

Relations between age, weight, refractive error and eye shape by computerized tomography in children.

Ha Tae Song1, Young Jun Kim, Soo Jung Lee

  • 1Department of Ophthalmology, Inha University College of Medicine, Inha University Hospital, Incheon, Korea.

Korean Journal of Ophthalmology : KJO
|September 7, 2007
PubMed
Summary

Children

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Last Updated: Jul 12, 2026

Assessment of Global Ocular Structure Following Spaceflight Using a Micro-Computed Tomography (Micro-CT) Imaging Method
09:11

Assessment of Global Ocular Structure Following Spaceflight Using a Micro-Computed Tomography (Micro-CT) Imaging Method

Published on: October 27, 2020

Area of Science:

  • Ophthalmology
  • Pediatric Ophthalmology
  • Medical Imaging

Background:

  • Understanding ocular development is crucial for pediatric eye care.
  • Refractive errors and axial length changes are key indicators of eye health in children.
  • Computerized tomography (CT) offers detailed morphologic insights into ocular structures.

Purpose of the Study:

  • To investigate the relationship between age, weight, refractive error, and ocular morphologic changes in children.
  • To analyze how axial length and eye width vary with age and refractive status using CT data.

Main Methods:

  • Retrospective study of 406 eyes from 354 patients under 20 years old with clear CT images.
  • Measurement of axial lengths, widths, and refractive errors.
  • Statistical analysis to determine correlations between age, weight, and ocular parameters.

Main Results:

  • Axial length significantly correlated with eye width (r=0.914).
  • Both axial length and eye width increased with age and body weight in emmetropic and myopic eyes.
  • Myopic eyes showed increased axial length and width compared to emmetropic eyes, with differing width/axial length ratios as age progressed.

Conclusions:

  • Axial length is greater in myopic children than emmetropic children across all age groups.
  • Eye width is also greater in myopic children, but its rate of increase with age is slower than in emmetropia.
  • The width-to-axial length ratio changes differently with age in myopia versus emmetropia, indicating distinct developmental patterns.