American journal of ophthalmology · 2025
Variations in Physiological and Myopic Eye Growth Among Children From Different Populations.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Wong Yee Ling, Yuan Yimin, Ye Yingying, Drobe Björn, Chen Hao, Bao Jinhua
Аннотация
PURPOSE: To evaluate physiological and myopic eye growth among children in Wenzhou, China, in comparison to other populations.
DESIGN: Prospective observational cohort study.
PARTICIPANTS: Physiological and myopic eye growth were examined using data from 700 nonmyopic (spherical equivalent [SE] > -0.5 diopters [D] for at least 2 years) and 297 myopic (SE ≤ -0.5 D) schoolchildren, respectively, aged 7 to 9 years at baseline from the Wenzhou Medical University-Essilor Progression and Onset of Myopia (WEPrOM) cohort study in Wenzhou, China, with a follow-up of 4.5 years.
METHODS: Logistic function models were used to describe eye growth with age.
MAIN OUTCOME MEASURES: Axial length (AL) measurements were used to compute eye growth, and compared with physiological and myopic eye growth data from the following studies: Orinda Longitudinal Study of Myopia (OLSM), Singapore Cohort Study of the Risk Factors for Myopia (SCORM), and retrospective analysis of 8 studies in Guangzhou and Shanghai.
RESULTS: In children aged 7, 8, 9, 10, 11, and 12 years in the WEPrOM study, the predicted physiological eye growth was 0.22, 0.22, 0.22, 0.21, 0.19, and 0.12 mm/year, and the predicted myopic eye growth was 0.52, 0.50, 0.47, 0.43, 0.36, and 0.27 mm/year (50th percentile), respectively. Compared to other populations, in children aged 8 to 12 years, physiological eye growth in the WEPrOM study (0.22-0.12 mm/year) was comparable with that of the retrospective analysis in China (0.27-0.15 mm/year), but was greater than that of SCORM (0.12-0.04 mm/year) and OLSM (0.15-0.06 mm/year). In children aged 8 to 12 years, myopic eye growth in the WEPrOM study (0.5-0.27 mm/year) was comparable with that of the retrospective analysis in China (0.46-0.26 mm/year), but was greater than that of SCORM (0.44-0.16 mm/year) and OLSM (0.28-0.20 mm/year).
CONCLUSIONS: Physiological and myopic eye growth likely differ between populations of varying ethnicities and countries. Therefore, it is important to apply physiological eye growth rates from a similar source population in interpretation of myopia control efficacy outcomes related to axial elongation.
DESIGN: Prospective observational cohort study.
PARTICIPANTS: Physiological and myopic eye growth were examined using data from 700 nonmyopic (spherical equivalent [SE] > -0.5 diopters [D] for at least 2 years) and 297 myopic (SE ≤ -0.5 D) schoolchildren, respectively, aged 7 to 9 years at baseline from the Wenzhou Medical University-Essilor Progression and Onset of Myopia (WEPrOM) cohort study in Wenzhou, China, with a follow-up of 4.5 years.
METHODS: Logistic function models were used to describe eye growth with age.
MAIN OUTCOME MEASURES: Axial length (AL) measurements were used to compute eye growth, and compared with physiological and myopic eye growth data from the following studies: Orinda Longitudinal Study of Myopia (OLSM), Singapore Cohort Study of the Risk Factors for Myopia (SCORM), and retrospective analysis of 8 studies in Guangzhou and Shanghai.
RESULTS: In children aged 7, 8, 9, 10, 11, and 12 years in the WEPrOM study, the predicted physiological eye growth was 0.22, 0.22, 0.22, 0.21, 0.19, and 0.12 mm/year, and the predicted myopic eye growth was 0.52, 0.50, 0.47, 0.43, 0.36, and 0.27 mm/year (50th percentile), respectively. Compared to other populations, in children aged 8 to 12 years, physiological eye growth in the WEPrOM study (0.22-0.12 mm/year) was comparable with that of the retrospective analysis in China (0.27-0.15 mm/year), but was greater than that of SCORM (0.12-0.04 mm/year) and OLSM (0.15-0.06 mm/year). In children aged 8 to 12 years, myopic eye growth in the WEPrOM study (0.5-0.27 mm/year) was comparable with that of the retrospective analysis in China (0.46-0.26 mm/year), but was greater than that of SCORM (0.44-0.16 mm/year) and OLSM (0.28-0.20 mm/year).
CONCLUSIONS: Physiological and myopic eye growth likely differ between populations of varying ethnicities and countries. Therefore, it is important to apply physiological eye growth rates from a similar source population in interpretation of myopia control efficacy outcomes related to axial elongation.