Status:
COMPLETED
Effectiveness of Alternative Approaches to Providing Spectacles in Tanzanian Secondary School Students
Lead Sponsor:
London School of Hygiene and Tropical Medicine
Collaborating Sponsors:
British Council for Prevention of Blindness
Tanzanian Society for the Blind
Conditions:
Under- and Uncorrected Significant Refractive Errors
Eligibility:
All Genders
Phase:
NA
Brief Summary
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 significan...
Detailed Description
Introduction Worldwide uncorrected significant refractive errors (RE) are among the commonest causes of visual impairment. This combined with the effectiveness and simplicity of correcting RE by provi...
Eligibility Criteria
Inclusion
- clinical diagnosis of un- or undercorrected significant refractive error
- form 1 student in participating secondary schools
Exclusion
- presenting VA of 6/12 or better in both eyes and no hyperopia of +2D or higher
Key Trial Info
Start Date :
January 1 2004
Trial Type :
INTERVENTIONAL
End Date :
August 1 2004
Estimated Enrollment :
250 Patients enrolled
Trial Details
Trial ID
NCT00249275
Start Date
January 1 2004
End Date
August 1 2004
Last Update
November 7 2005
Active Locations (1)
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1
Secondary Schools
Dar es Salaam, Dar es Salaam Region, Tanzania