Refractive errors
Clinical trials for Refractive errors explained in plain language.
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Donated corneal tissue eyed as fix for Post-LASIK farsightedness
Disease control By invitation onlyMany people who have LASIK still need glasses for leftover farsightedness. Researchers are testing whether implanting a thin piece of donated corneal tissue, shaped by ReLex Smile surgery, can improve vision. The trial enrolls 60 young adults with residual farsightedness after LA…
Matched conditions: REFRACTIVE ERRORS
Sponsor: Eye Hospital Pristina Kosovo • Aim: Disease control
Last updated Sep 11, 2026 00:00 UTC
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A simple fix for myopia could change education for millions
Prevention OngoingThis trial tests whether giving free glasses to short-sighted middle school children in rural China helps more of them continue to academic high school. Researchers will randomly assign 111 schools to either provide glasses with teacher support or just give prescriptions. The mai…
Matched conditions: REFRACTIVE ERRORS
Sponsor: Queen's University, Belfast • Aim: Prevention
Last updated Sep 10, 2026 00:00 UTC
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Can a daily vitamin and sunshine curb Kids' nearsightedness?
Prevention CancelledThis study tests whether taking vitamin B2 (riboflavin) daily and spending time outdoors in sunlight can slow the progression of myopia (nearsightedness) in children aged 6 to 12. Participants will be randomly assigned to receive different doses of riboflavin or a placebo, and al…
Matched conditions: REFRACTIVE ERRORS
Phase 2 • Sponsor: University of Missouri-Columbia • Aim: Prevention
Last updated Aug 26, 2026 00:00 UTC
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New study aims to tackle vision problems in upper manhattan
Knowledge-focused CancelledThis study aims to help adults aged 40 and older in Upper Manhattan get better eye care. It will offer free eye screenings at local health centers and senior centers, and provide support like scheduling appointments and transportation. The goal is to see if this extra help leads …
Matched conditions: REFRACTIVE ERRORS
Sponsor: Columbia University • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:00 UTC