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Effectiveness of Alternative Approaches to Providing Spectacles in Tanzanian Secondary School Students

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00249275
First Posted: November 7, 2005
Last Update Posted: December 9, 2005
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborators:
British Council for Prevention of Blindness
Tanzanian Society for the Blind
Information provided by:
London School of Hygiene and Tropical Medicine
  Purpose
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.

Condition Intervention
Under- and Uncorrected Significant Refractive Errors Device: spectacles

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single
Primary Purpose: Treatment
Official Title: Evaluation of the Effectiveness of Alternative Approaches to Providing Spectacles in Secondary School Students in Dar Es Salaam, Tanzania

Resource links provided by NLM:


Further study details as provided by London School of Hygiene and Tropical Medicine:

Primary Outcome Measures:
  • The proportion of students who had been given/prescribed spectacles who were wearing spectacles 3 and 6 months later

Estimated Enrollment: 250
Study Start Date: January 2004
Estimated Study Completion Date: August 2004
  Show Detailed Description

  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • clinical diagnosis of un- or undercorrected significant refractive error
  • form 1 student in participating secondary schools

Exclusion Criteria:

  • presenting VA of 6/12 or better in both eyes and no hyperopia of +2D or higher
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00249275


Locations
Tanzania
Secondary Schools
Dar es Salaam, Tanzania
Sponsors and Collaborators
London School of Hygiene and Tropical Medicine
British Council for Prevention of Blindness
Tanzanian Society for the Blind
Investigators
Principal Investigator: Clare Gilbert, Reader London School of Hygiene and Tropical Medicine
  More Information

ClinicalTrials.gov Identifier: NCT00249275     History of Changes
Other Study ID Numbers: ITCRBY79
First Submitted: November 3, 2005
First Posted: November 7, 2005
Last Update Posted: December 9, 2005
Last Verified: January 2004

Keywords provided by London School of Hygiene and Tropical Medicine:
significant refractive errors
children
spectacles
Africa

Additional relevant MeSH terms:
Refractive Errors
Eye Diseases