Clinical Report: Orthokeratology Today: Using Biometry to Guide Ortho-k Decisions
Overview
This report highlights the importance of axial length measurements in monitoring myopia progression in children undergoing orthokeratology (ortho-k). It emphasizes the need for consistent follow-up and the integration of biometry into clinical decision-making to optimize treatment outcomes.
Background
Monitoring myopia progression is critical in pediatric patients, especially those undergoing ortho-k treatment. Axial length serves as a key biomarker for assessing eye growth and the effectiveness of myopia control strategies. Understanding normal growth patterns and variations is essential for clinicians to make informed treatment decisions.
Data Highlights
No specific numerical data was provided in the source material.
Key Findings
- Stable refraction does not always indicate stable myopia; axial length is a more reliable measure.
- Untreated myopic children may experience axial elongation of 0.20 mm per year, while effective interventions can reduce this to 0.10-0.15 mm per year.
- Follow-up visits should be scheduled consistently to account for diurnal and seasonal variations in axial length measurements.
- Clinicians should align axial length assessments with significant clinical milestones to better interpret growth trends.
- Single axial length readings should not prompt immediate changes in treatment; sustained trends are more indicative of progression.
Clinical Implications
Clinicians should prioritize axial length measurements over refractive data when monitoring myopia in ortho-k patients. Regularly scheduled assessments and a thorough understanding of normative growth patterns will enhance treatment efficacy and patient outcomes.
Conclusion
Incorporating axial length measurements into the management of myopia in children receiving ortho-k can significantly improve treatment decisions and outcomes. Continuous monitoring and understanding of growth trends are essential for effective myopia control.
References
- Atchison DA, Pritchard N, Schmid KL, Invest Ophthalmol Vis Sci, 2004 -- Eye shape in emmetropia and myopia
- Tideman JWL, Polling JR, Vingerling JR, et al, Acta Ophthalmol, 2018 -- Axial length growth and the risk of developing myopia in European children
- Cho P, Cheung SW, Invest Ophthalmol Vis Sci, 2012 -- Retardation of myopia in orthokeratology (ROMIO) study: a 2-year randomized clinical trial
- Walline JJ, Greiner KL, McVey ME, et al, JAMA, 2020 -- Effect of high add power, medium add power, or single-vision contact lenses on myopia progression in children: the BLINK randomized clinical trial
- Contact Lens Spectrum — Orthokeratology Today: Topography Tells the Tale
- Contact Lens Spectrum — Orthokeratology Today: Topography Tells the Tale
- contact lens spectrum — Orthokeratology Today: Topography Tells the Tale
- Contact Lens Spectrum — Orthokeratology Today: Topography Tells the Tale
- IMI Interventions for Controlling Myopia Onset and Progression 2025 - Myopia Institute
- Benefits and risks of orthokeratology treatment: a systematic review and meta-analysis - PMC
- City Research Online
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