Orthokeratology Reduces Axial Length – 11 Year Study
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Article Summary: Long-Term Ortho-K and Myopia Control
This article discusses a long-term study (7 and 11 years) examining the effect of orthokeratology (ortho-K) lenses (Menicon Z Night lenses) on axial elongation (eye growth) compared to single-vision spectacles in controlling myopia (nearsightedness). It’s notable as most myopia control studies are onyl 2 years long.Key Findings:
The study suggests that starting ortho-K at a younger age may lead to greater long-term benefits in reducing axial elongation.
The reduction in axial elongation appears to be cumulative over time.Limitations:
small sample size in the 11-year follow-up group (10 in the ortho-K group,15 in the spectacle group).
The study population consisted solely of white Europeans, limiting the generalizability of the findings.
Author:
Michael J. Lipson, OD, FREE, FSLS
Disclosure: Reports no relevant financial disclosures.
Source/Publication:
published by: Primary Care Optometry News (Healio)
Additional Disclosure:
Santodomingo-Rubido is a full-time employee of Menicon. (See the original study for disclosures of other authors.)
Image:
An image of Michael J. Lipson, OD, FREE, FSLS is included.
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In essence, the article highlights a promising trend suggesting long-term benefits of early ortho-K intervention for myopia control, while acknowledging the need for further research with larger and more diverse populations.