Implanting intra-corneal rings to correct high cylinder errors in non-ectatic corneas

Use of Intra-corneal Ring Segments in Management of Non-ectatic Corneas With High Cylinder

NA · Sohag University · NCT06963099

This study tests whether implanting special rings in the eye can help people with significant astigmatism see better without needing glasses or contacts.

Quick facts

PhaseNA
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorSohag University (other)
Locations1 site (Sohag)
Trial IDNCT06963099 on ClinicalTrials.gov

What this trial studies

This study focuses on the implantation of INTACS, which are intra-corneal rings, to correct high cylinder errors in patients with non-ectatic corneas. The approach aims to improve visual acuity and reduce the need for corrective lenses in individuals suffering from significant astigmatism. The methodology involves a surgical procedure where these rings are placed within the cornea to reshape its curvature. The study seeks to evaluate the effectiveness and safety of this intervention for the targeted patient population.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals with non-ectatic corneas who have high cylinder errors.

Not a fit: Patients with corneal ectasia will not benefit from this study as they are excluded from participation.

Why it matters

Potential benefit: If successful, this intervention could significantly improve vision for patients with high cylinder errors, enhancing their quality of life.

How similar studies have performed: While there may be limited data on this specific approach, similar interventions using intra-corneal rings have shown promise in correcting refractive errors.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Non ectatic corneas with high cylinder error

Exclusion Criteria:

* Corneal ectasia

Where this trial is running

Sohag

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.

View on ClinicalTrials.gov →

Conditions: Cornea

Last reviewed 2026-05-15 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.