Article info
Clinical science
Impact of spectacles wear on uncorrected visual acuity among urban migrant primary school children in China: a cluster-randomised clinical trial
- Correspondence to Yue Ma, Rural Education Action Program, Freeman Spogli Institute for International Studies, Stanford University, Palo Alto, CA, USA; yma3{at}stanford.edu
Citation
Impact of spectacles wear on uncorrected visual acuity among urban migrant primary school children in China: a cluster-randomised clinical trial
Publication history
- Received March 3, 2020
- Revised April 27, 2020
- Accepted June 13, 2020
- First published July 29, 2020.
Online issue publication
May 20, 2021
Article Versions
- Previous version (29 July 2020).
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© Author(s) (or their employer(s)) 2021. No commercial re-use. See rights and permissions. Published by BMJ.