Abstract
Purpose
The purpose of this study was to investigate the long-term outcome of high hypermetropic refractive errors in childhood.
Methods
We retrospectively reviewed data from the clinical records of 164 children with spherical equivalent (SE) hypermetropic refractive errors in three medical centers collected over 29 years. Refractive errors between +1.00 and +3.00 diopter (D) on initial examination were classified as mild hypermetropia and those +5.00D or greater were classified as high hypermetropia. The four variables studied were, age, refractive error, strabismus, and gender. The rate of reduction in hypermetropic refractive error was calculated over time in years. We identified subgroups according to age, gender, and initial refractive error.
Results
Seventy-eight children with high hypermetropia and 86 children with mild hypermetropia were studied. High hypermetropia was detected at a mean age of 3.3 years, while mild hypermetropia was detected at a mean 4 years of age. The mean follow-up was 6.6 years for high hypermetropia and 6.4 years for mild hypermetropia. Over the follow-up period, children in all subgroups tended to reduce their refractive errors. The reduction in refraction power was small for both mild and high hypermetropic refractive errors. Amblyopia in the high hypermetropia group was more common and more refractory to treatment.
Conclusions
Most children with hypermetropia of less than +3.00D experience a reduction in hyperopic refractive error over time and will outgrow any need for corrective lenses. Children with hyperopia greater than +5.00D will not experience a significant reduction in the power of the refractive error.
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Acknowledgments
We would like to thank Prof. Ayala Cohen and Dr. Tatiana Umansky, Statistics Laboratory, Faculty of Industrial Engineering and Management, Technion – Israel Institute of Technology, Haifa, Israel, and Boris Futerman, MSc, Clinical Epidemiology Unit, Rambam Healthcare Campus, Haifa, Israel, for performing the statistical modeling and calculations.
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All authors certify that they have no affiliation with and no involvement in any organization or entity with any financial interest (such as honoraria; educational grants, participation in speakers, bureaus, membership, employment, consultancies, stock or ownership, or other equity interest; and expert testimony or patent-licensing arrangements) or non-financial interest (such as personal or professional relationships, affiliations, knowledge or benefits) in the subject matter or material discussed in this manuscript.
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Institutions at which the study was conducted include the Department of Ophthalmology, Rambam Health Care Campus, Haifa, Israel; Hamburg University, Hamburg, Germany; and the University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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Mezer, E., Meyer, E., Wygnansi-Jaffe, T. et al. The long-term outcome of the refractive error in children with hypermetropia . Graefes Arch Clin Exp Ophthalmol 253, 1013–1019 (2015). https://doi.org/10.1007/s00417-015-3033-z
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DOI: https://doi.org/10.1007/s00417-015-3033-z