טוען...
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...
שמור ב:
| הוצא לאור ב: | BMJ Open Ophthalmol |
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| Main Authors: | , , , , , , , , |
| פורמט: | Artigo |
| שפה: | Inglês |
| יצא לאור: |
BMJ Publishing Group
2020
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| נושאים: | |
| גישה מקוונת: | 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 |
| תגים: |
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