Providing free eyeglasses to improve education for students in Sierra Leone

Seeing to Learn in Sierra Leone: Impact of Spectacle Correction on Children's Academic Performance and Mental Health Wellbeing

Not applicable Interventional University of Minnesota · NCT06065631

This study is testing whether giving free eyeglasses to students aged 12-15 in Sierra Leone can help them do better in school.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment2400 (estimated)
Ages12 Years to 15 Years
SexAll
SponsorUniversity of Minnesota Academic / other
Locations1 site (Freetown)
Trial IDNCT06065631 on ClinicalTrials.gov

What this trial studies

The Sierra Leone Sees to Learn (SL2) trial aims to evaluate the educational impact of supplying free eyeglasses to students aged 12-15 years who have uncorrected refractive errors. The study will involve approximately 2400 children from 160 randomly-selected schools in Freetown and Bo City, with assessments conducted at the beginning and end of the school year. Participants will be randomized to receive either immediate eyeglasses or a prescription for future use, allowing for a comparison of educational outcomes between the two groups. Data will be collected through questionnaires and educational assessments to measure the impact of vision correction on learning.

Who should consider this trial

Good fit: Ideal candidates for this study are students aged 12-15 years in Sierra Leone with uncorrected refractive errors.

Not a fit: Patients with other ocular problems that prevent achieving a visual acuity of better than 6/12 in both eyes may not benefit from this study.

Why it matters

Potential benefit: If successful, this initiative could significantly enhance educational outcomes for students with refractive errors by improving their vision.

How similar studies have performed: Other studies have shown positive outcomes in educational performance following vision correction, suggesting that this approach is promising.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Presenting (with or without glasses) distance visual acuity of 6/12 or worse in the better-seeing eye;
2. Refractive error of at least 0.75 diopters (D) of myopia, 2.00 D of hyperopia or 1.00 D of astigmatism;
3. Visual acuity is correctable to 6/7.5 or better with eyeglasses.

Exclusion Criteria:

1. Other ocular problems preventing visual acuity \> 6/12 in both eyes.

Where this trial is running

Freetown

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Refractive ErrorsMyopiaHyperopiaSpectacle correctionEducational outcomes
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.