Choroidal Thickness Profiles and Associated Factors in Myopic Children.
Journal
Optometry and vision science : official publication of the American Academy of Optometry
ISSN: 1538-9235
Titre abrégé: Optom Vis Sci
Pays: United States
ID NLM: 8904931
Informations de publication
Date de publication:
01 01 2023
01 01 2023
Historique:
pubmed:
28
1
2023
medline:
1
2
2023
entrez:
27
1
2023
Statut:
ppublish
Résumé
This study addresses the lack of choroidal thickness (ChT) profile information available in European children and provides a baseline for further evaluation of longitudinal changes in ChT profiles in myopic children as a potential biomarker for myopia treatment and identifying children at risk of myopic progression. This study aimed to investigate ChT profiles and associated factors in myopic children. Baseline data of 250 myopic children aged 6 to 16 years in the Myopia Outcome Study of Atropine in Children clinical trial were analyzed. Choroidal thickness images were obtained using swept-source optical coherence tomography (DRI-OCT Triton Plus; Topcon Corporation, Tokyo, Japan). The macula was divided into nine Early Treatment of Diabetic Retinopathy Study locations with diameters of 1, 3, and 6 mm corresponding to the central fovea, parafoveal, and perifoveal regions. Multiple linear regression models were used to investigate determinants of ChT. Choroidal thickness varied across the macular Early Treatment of Diabetic Retinopathy Study locations ( P < .001): thickest in the perifoveal superior region (mean ± standard deviation, 249.0 ± 60.8 μm) and thinnest in the perifoveal nasal region (155.1 ± 50.3 μm). On average, ChT was greater in all parafoveal (231.8 ± 57.8 μm) compared with perifoveal (218.1 ± 49.1 μm) regions except superiorly where the ChT was greater in the perifoveal region. Longer axial length and higher myopic spherical equivalent refraction were consistently associated with thinner ChT at all locations in the multiple linear regression models. Asian race was significantly associated with thinner ChT only at parafoveal and perifoveal superior regions after Bonferroni correction ( P = .004 and P = .001, respectively). Choroidal thickness was thinnest in the nasal macular region and varied systematically across all macular locations, with axial length and spherical equivalent refraction being the strongest determinants of ChT. Longitudinal evidence will need to evaluate whether any differences in ChT profiles are predictive of myopic progression and to determine the role of ChT measurements in identifying myopic children most in need of myopia control treatment.
Identifiants
pubmed: 36705715
doi: 10.1097/OPX.0000000000001973
pii: 00006324-202301000-00010
doi:
Types de publication
Clinical Trial
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
57-66Informations de copyright
Copyright © 2022 American Academy of Optometry.
Déclaration de conflit d'intérêts
Conflict of Interest Disclosure: No conflicting relationship exists for any author.
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