Showing 1 - 5 of 5
Persistent link: https://www.econbiz.de/10009762290
Persistent link: https://www.econbiz.de/10014286799
Persistent link: https://www.econbiz.de/10003749760
PURPOSE: To study the effect of free glasses combined with teacher incentives on in-school glasses wear among Chinese urban migrant children.DESIGN: Cluster-randomized controlled trial.METHODS: Children with visual acuity (VA) £6/12 in either eye owing to refractive error in 94 randomly chosen...
Persistent link: https://www.econbiz.de/10012960662
Persistent link: https://www.econbiz.de/10014441094