Dose-Dependent Effects of Atropine on Accommodative and Binocular Visual Function for Myopia Control in Children: A Systematic Review and Meta-Analysis
Abstract
Purpose: To evaluate systematically the effect of different concentrations of atropine eye drops on accommodative amplitude and binocular visual function in children and adolescents with myopia.
Methods: A systematic review and meta-analysis of randomised controlled trials was conducted in accordance with PRISMA 2020 guidelines and registered in PROSPERO (registration number: CRD420261297760). PubMed, Web of Science and Scopus were searched up to January 15, 2025. Eligible studies compared atropine eye drops (0.01-1%) with placebo, single-vision correction or no treatment and reported accommodative or binocular vision outcomes. The primary outcome was the change in accommodative amplitude. Secondary outcomes included accommodative lag, stereoacuity, heterophoria and fusional vergence. Mean differences (MD) with 95% confidence intervals (CI) were pooled using fixed- or random-effects models based on heterogeneity.
Results: Thirteen randomised controlled trials were included, most of which were conducted in Asian populations. Low-dose atropine (0.01%) was associated with a small but statistically significant reduction in accommodative amplitude (MD: -0.84 D, 95% CI: -1.50 to -0.18), with substantial heterogeneity and no consistent effects at individual follow-up time points. Intermediate concentrations (0.02-0.03%) showed variable and heterogeneous effects. Atropine 0.05% produced a consistent and clinically meaningful reduction in accommodative amplitude (MD: -1.96 D, 95% CI:…
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Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid.
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