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

Completed

• Conditions: Keratoconus

• Registration Number: NCT01261013
• Lead Sponsor: Fernandez-Vega Ophthalmological Institute

Brief Summary

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.

Detailed Description

Not available

Study Timeline

• Study Start: 2008-01
• Study Completion: 2010-03
• Status Verified: 2010-11
• Study First Submitted: 2010-12-14
• Study First Submitted QC: 2010-12-15
• Study First Posted: 2010-12-16
• Last Update Submitted: 2010-12-23
• Last Update Posted: 2010-12-27

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 219

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

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified