Prevalence and Estimation of the Evolution of Myopia in Spanish Children
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2024
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MDPI
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Sánchez-Tena MÁ, Martinez-Perez C, Villa-Collar C, González-Pérez M, González-Abad A, Grupo de Investigación Alain Afflelou, Alvarez-Peregrina C. Prevalence and Estimation of the Evolution of Myopia in Spanish Children. J Clin Med. 2024 Mar 21;13(6):1800. doi: 10.3390/jcm13061800. PMID: 38542034; PMCID: PMC10971095.
Abstract
Background: In recent decades, myopia has turned into a public health issue across the world. Between 1993 and 2016, the percentage of myopes increased from 10.4% to 34.2%. This study aims to analyze the myopia prevalence in Spanish children from five to seven years old over the last five years and to predict the rate of myopia in Spain by 2030. Methods: The sample consisted of children aged between 5 and 7, who underwent an optometric examination consisting of the measurement of visual acuity (VA) and determination of objective and subjective refraction. The cut-off points to define refractive error are established by the spherical equivalent (SE) value: hyperopia for an SE over or equal to +0.50 D; myopia for an SE under or equal to −0.50 D; and emmetropia when the SE is between −0.50 D and +0.50 D. Results: The myopia rate in Spanish children aged between five and seven was 19%. Myopia prevalence progressively increased as children grew up (p ≤ 0.001). It is estimated that, in the year 2030, the rate of myopia will be 30.2% [CI: 25.3–35.0], of which 81.9% [CI: 78.3–85.3] will have low myopia, 10.0% [CI: 7.2–12.8] moderate myopia, and 7.3% [CI: 4.9–9.7] high myopia. Conclusions: Nineteen percent of Spanish children between five and seven are myopes. In 2030, is expected that 30.2% of Spanish children between 5 and 7 years of age will be myopes. These estimations will support eye care professionals in recommending that children spend more time outdoors to prevent the onset of myopia and the use of methods to control myopia to avoid reaching these figures of high myopia.
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Submission received: 8 February 2024 / Revised: 28 February 2024 / Accepted: 16 March 2024 / Published: 21 March 2024
(This article belongs to the Special Issue Advanced Research in Myopia and Other Visual Disorders)