Intrastromal Corneal Ring Segment Implantation in 219 Keratoconic Eyes at Different Stages

The purpose of this study is to properly analyse the visual and refractive outcomes of implantation of KeraRing intrastromal corneal ring segment (ICRS) at the different stages of keratoconus.

Completed

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Key information

Conditions

Keratoconus Corneal Diseases Eye Diseases

Age range

20 year–60 year

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients who had keratoconus
Contact lens intolerance and clear cornea.
The maximum keratometric reading was less than 60.00 diopters (D)
The minimum corneal thickness more than 300 μm.

Exclusion criteria

Acute or grade IV keratoconus.
Previous corneal or intraocular surgery.
Cataract, history of glaucoma or retinal detachment, macular degeneration or retinopathy, neuro-ophthalmic diseases, and history of ocular inflammation

Sponsors and collaborators

Lead sponsor

Fernandez-Vega Ophthalmological Institute

Other

Registry information

Important dates

Study start: 2008
Study completion: 2010
First posted: Dec 16, 2010
Registry last updated: Dec 27, 2010

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed