Could vitamin B2 and sunlight replace costly eye surgery?

NCT ID NCT03095235

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether taking vitamin B2 (riboflavin) and getting natural sunlight could strengthen the cornea in people with keratoconus, a condition that causes the cornea to thin and bulge. The approach aimed to be a simpler, cheaper alternative to the standard cross-linking procedure. The study planned to enroll 30 participants but was terminated early, so results are limited.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

dietary riboflavin (vitamin B2)

What this could lead to

If it works, this could provide a simple, low-cost way to stabilize the cornea in keratoconus patients, reducing the need for expensive procedures.

What could go wrong

This was a very small, early study that was terminated, so results are limited. It is not yet proven to be as effective as the standard cross-linking procedure.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

corneal ectasia keratoconus

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • University of South Florida Department of Ophthalmology

    Tampa, Florida, 33612, United States