Evaluating the Relationship Between Axial Length to Corneal Curvature Radius Ratio and Myopia in Pediatric Populations
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By
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Lin Wang
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Qianru Zhang
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Changdong Liu
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Qiqi Liu
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Peipei Zhang
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April 21, 2026
Clinical Scorecard: Evaluating the Relationship Between Axial Length to Corneal Curvature Radius Ratio and Myopia in Pediatric Populations
At a Glance
| Category | Detail |
|---|
| Condition | Myopia in children and adolescents |
| Key Mechanisms | Association of axial length to corneal curvature radius ratio (AL/CR) with myopia progression |
| Target Population | Children and adolescents aged 6 to 12 years |
| Care Setting | Optometry clinic |
Key Highlights
- AL/CR shows a stronger correlation with spherical equivalent than axial length in predicting myopia.
- The study included 2,760 eyes from children aged 6 to 12 years.
- AL/CR cutoff point for myopia detection is 3.026 with sensitivity of 0.898 and specificity of 0.826.
- Myopia prevalence in children is projected to rise significantly by 2050.
- Age of myopia onset is a critical predictor of high myopia risk.
Guideline-Based Recommendations
Diagnosis
- Use AL/CR ratio as a key parameter for diagnosing myopia.
- Define myopia as spherical equivalent (SE) ≤ −0.50 diopters (D).
Management
- Implement early detection strategies based on AL/CR measurements.
Monitoring & Follow-up
- Regularly assess ocular biometry and refractive parameters in children.
Risks
- Increased risk of high myopia associated with early onset of myopia.
Patient & Prescribing Data
Children and adolescents aged 6 to 12 years without ocular diseases.
Focus on monitoring AL/CR for predicting myopia progression.
Clinical Best Practices
- Conduct comprehensive ocular examinations including cycloplegic refraction.
- Utilize AL/CR as a predictive tool for myopia in pediatric populations.
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