INTACS (Intrastromal Corneal Ring Segments) For Corneal Ectasia (NCT02512432) | Clinical Trial Compass
Not Yet RecruitingNot Applicable
INTACS (Intrastromal Corneal Ring Segments) For Corneal Ectasia
1,000 participantsStarted 2025-12
Plain-language summary
To join established study put on by Addition Technologies, Inc. in the surgical implantation of asymmetrical INTACS segments to treat myopia and astigmatism in patients with keratoconus.
Who can participate
Age range21 Years
SexALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* 21 years of age, or older
* have experienced a progressive deterioration in their vision, such that they can no longer achieve adequate functional vision on a daily basis with contact lenses, or spectacles.
* have clear central corneas
* have a corneal thickness of 450 microns or greater at the proposed incision site
* have corneal transplantation as the only remaining option to improve their visual function
Exclusion Criteria:
* under 21 years of age
* have not experienced a progressive deterioration in their vision, such that they can no longer achieve adequate functional vision on a daily basis with contact lenses, or spectacles.
* do not have clear central corneas
* do not have a corneal thickness of 450 microns or greater at the proposed incision site
* do not have corneal transplantation as the only remaining option to improve their visual function
What they're measuring
1
Corneal mapping to measure corneal thickness and steepening