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Related Experiment Videos

Correlation between Baseline Axial Length and Myopia Progression Rate in Childhood.

Jeong Seop Yun1, Dae Hee Kim2,3

  • 1Department of Ophthalmology, Kim's Eye Hospital, Seoul, Korea.

Korean Journal of Ophthalmology : KJO
|March 3, 2026
PubMed
Summary
This summary is machine-generated.

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Baseline axial length (AL) does not linearly predict rapid myopia progression in children. However, myopia progression tends to slow down in children with a baseline AL greater than 24 mm.

Area of Science:

  • Ophthalmology
  • Pediatric Optometry
  • Myopia Research

Background:

  • Myopia progression is a significant concern in pediatric eye care.
  • Understanding predictors of rapid myopia progression is crucial for timely intervention.

Purpose of the Study:

  • To evaluate the relationship between baseline axial length (AL) and the rate of myopia progression in children.
  • To determine if baseline AL alone predicts rapid myopia progression.

Main Methods:

  • Retrospective study of 1,458 patients (<20 years) with at least two years of follow-up data.
  • Assessment of myopia progression using axial length elongation, spherical equivalent change, and AL/corneal radius ratio.
  • Statistical analysis including partial correlation and multiple linear regression.
Keywords:
Axial lengthChildProgressive myopia

Related Experiment Videos

Main Results:

  • Baseline AL showed weak partial correlations with myopia progression indicators.
  • Linear models explained minimal variance in myopia progression rates (e.g., 2.4% for AL elongation).
  • Myopia progression rates decreased in patients with baseline AL > 24 mm, indicating a non-linear relationship.

Conclusions:

  • Baseline axial length is not a linear independent predictor of rapid myopia progression.
  • Myopia progression tends to be slower in children with longer baseline axial lengths (>24 mm).