Safety of eyeglasses wear for visual acuity among middle school students in northwestern rural China: a cluster-randomised controlled trial

OBJECTIVE: To assess the effect of free eyeglasses provision on visual acuity among middle school students in northwestern rural China. METHODS AND ANALYSIS: Among 31 middle schools randomly selected from 47 middle schools in northwestern rural China, students were randomly allocated by school to on...

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Veröffentlicht in:BMJ Open Ophthalmol
Hauptverfasser: Ma, Yue, Zhang, Xinwu, Li, Haoyang, Ma, Xiaochen, Friesen, Dimitris, Rozelle, Scott, Pang, Xiaopeng, Zhou, Ming, Congdon, Nathan
Format: Artigo
Sprache:Inglês
Veröffentlicht: BMJ Publishing Group 2020
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Original Research
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC7528428/
https://ncbi.nlm.nih.gov/pubmed/33083554
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjophth-2020-000572
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