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July 20, 2026Journal of OptometryOpen Access

Macular, choroidal, and peripapillary OCT parameters in portuguese schoolchildren: normative data and associations with refractive status

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Authors

ADAlice DoellingerAQAntónio Queirós

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Overview

Cross-sectional study describes OCT metrics in Portuguese children, revealing structural differences by refractive error.

Key Points

  • This study aimed to define normative OCT parameters in Portuguese children and assess their link to refractive errors.
  • Cross-sectional study with 605 children aged 6-18 years, categorized by refractive status (myopes, emmetropes, hyperopes).
  • OCT parameters measured included subfoveal choroidal thickness, foveal and macular thickness, ILM-RPE volumes, and RNFL metrics.
  • Statistical analyses employed included ANOVA, Kruskal-Wallis tests, and multivariate regression, accounting for age and sex.
  • Subfoveal choroidal thickness was significantly thinner in myopic eyes (298.55 ± 58.52 µm) than in emmetropes (316.58 ± 51.46 µm; p = 0.001).
  • Myopes showed reduced peripapillary RNFL thickness compared to emmetropes across multiple sectors (p < 0.001).
  • Multivariate analyses indicated SFCT remained associated with refractive group after adjustments, while RNFL differences correlated with axial length.

Cite This Study

Doellinger et al. (2026) studied this question.

synapsesocial.com/papers/6a5dba128bd453d3397ab596https://doi.org/10.1016/j.optom.2026.100626
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