DOI: 10.47582/jompac.1342383 ISSN: 2717-7505

Development and progression of myopia in emmetropic children in Turkey

Pınar KAYA
  • General Medicine
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Aims: To investigate the development and progression of myopia in emmetrope school-aged children in Turkey. Methods: This retrospective study included emmetrope children aged 6-18 who attended the ophthalmology clinic for regular eye and refractive examinations between 2010 and 2021. Individuals were examined at least twice for six months period. Myopia progression was calculated as the difference between the baseline and the last visit spherical equivalent refractive (SER) values. Individuals were further categorized to determine the age-specific myopia development and progression as 6-11, 12-16, and 17-18 age groups based on the school periods of the country. According to the change in SER values, individuals were classified into those who remain emmetrope and those who develop myopia. Results: A total of 738 eyes of 369 children (222 female, 147 male) with a mean age of 9.4 ± 2.98 (6-18) years were included in the study. The mean follow-up time of patients was 45.62 ± 26.36 (6-130) months. The baseline mean SER value was -0.01 ± 0.10 D (range: -0.375 and +0.375) and -0.44 ± 0.8 (range: -5.00 and +0.375) at the final visit. The overall mean progression was -0.12 ± 0.25 D/year (range: -2.21 and +0.36). 234 eyes (31.75%) developed myopia, and annual SER change was -0.38 ± 0.31 D/year (p

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