Affiliation:
1. Department of Ophthalmology, Pomeranian Medical University in Szczecin in Poland, Al. Powstańców Wlkp. 72, 70-111 Szczecin, Poland
Abstract
Purpose: To determine the prevalence of refractive errors in a group of 8-year-old school children in northwestern Poland. Material and Methods: In 2017–2019, refractive errors were examined in a group of 1518 Caucasian children aged 8 years old with cycloplegia. Refraction was obtained with a hand-held autorefractor (Retinomax 3). The refractive error reading was expressed as the spherical equivalent (SE) as myopia (≤−0.5 D), emmetropia (>−0.5 D to ≤+0.5 D), mild hyperopia (>+0.5 D to ≤+2.0 D) and hyperopia (>+2.0 D), and astigmatism (≤−0.75 DC) and anisometropia (≥1.00 D). Data analysis was performed using Statistica 13.5 software and included Pearson’s chi-squared and Mann–Whitney U tests. p-values of <0.05 were considered statistically significant. Results: Mild hyperopia was most common (37.6%), myopia was observed in 16.8% and astigmatism in 10.6% of participants. Pseudomyopia concerned up to 51.91% children. Girls were significantly more likely to have mild hyperopia (p = 0.0144) and were significantly more likely to wear glasses (p = 0.00093). Conclusions: Screening children for refractive errors after cycloplegia is key for detecting accommodative spasm and refractive errors. The largest group of children presented with mild hyperopia, which is a physiological feature of refraction in 8-year-old children, but myopia and astigmatism were the most common refractive errors.
Funder
the city office in Szczecin
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