Safety of Spectacles for Children's Vision: A Cluster-Randomized Controlled Trial.

@article{Galvis2015SafetyOS,
  title={Safety of Spectacles for Children's Vision: A Cluster-Randomized Controlled Trial.},
  author={Virgilio Galvis and Alejandro Tello and Maria Margarita Parra},
  journal={American journal of ophthalmology},
  year={2015},
  volume={163},
  pages={196}
}
PURPOSE To study safety of children's glasses in rural China, where fear that glasses harm vision is an important barrier for families and policy makers. DESIGN Exploratory analysis from a cluster-randomized, investigator-masked, controlled trial. METHODS Among primary schools (n = 252) in western China, children were randomized by school to 1 of 3 interventions: free glasses provided in class, vouchers for free glasses at a local facility, or glasses prescriptions only (Control group). The… CONTINUE READING