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Axial length growth and the risk of developing myopia in European children
Author(s) -
Tideman Jan Willem Lodewijk,
Polling Jan Roelof,
Vingerling Johannes R.,
Jaddoe Vincent W. V.,
Williams Cathy,
Guggenheim Jeremy A.,
Klaver Caroline C. W.
Publication year - 2018
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/aos.13603
Subject(s) - percentile , medicine , demography , longitudinal study , pediatrics , population , age groups , mathematics , statistics , environmental health , pathology , sociology
Purpose To generate percentile curves of axial length ( AL ) for European children, which can be used to estimate the risk of myopia in adulthood. Methods A total of 12 386 participants from the population‐based studies Generation R (Dutch children measured at both 6 and 9 years of age; N  = 6934), the Avon Longitudinal Study of Parents and Children (ALSPAC) (British children 15 years of age; N  = 2495) and the Rotterdam Study III (RS‐III) (Dutch adults 57 years of age; N  = 2957) contributed to this study. Axial length ( AL ) and corneal curvature data were available for all participants; objective cycloplegic refractive error was available only for the Dutch participants. We calculated a percentile score for each Dutch child at 6 and 9 years of age. Results Mean ( SD ) AL was 22.36 (0.75) mm at 6 years, 23.10 (0.84) mm at 9 years, 23.41 (0.86) mm at 15 years and 23.67 (1.26) at adulthood. Axial length ( AL ) differences after the age of 15 occurred only in the upper 50%, with the highest difference within the 95th percentile and above. A total of 354 children showed accelerated axial growth and increased by more than 10 percentiles from age 6 to 9 years; 162 of these children (45.8%) were myopic at 9 years of age, compared to 4.8% (85/1781) for the children whose AL did not increase by more than 10 percentiles. Conclusion This study provides normative values for AL that can be used to monitor eye growth in European children. These results can help clinicians detect excessive eye growth at an early age, thereby facilitating decision‐making with respect to interventions for preventing and/or controlling myopia.

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