Clinical trials: Under- and Uncorrected Significant Refractive Errors
Under- and Uncorrected Significant Refractive Errors
Effectiveness of Alternative Approaches to Providing Spectacles in Tanzanian Secondary School Students
The aim of this study was to compare the effectiveness of two interventions, namely providing free spectacles or only a prescription to students with insufficiently corrected or uncorrected significant refractive errors.
- Trial name
- NCT00249275
- Testing
- spectacles
- Where
- Tanzania
- Volunteers
- 250 people
- Sponsor
- London School of Hygiene and Tropical Medicine