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

This study has been completed.
Sponsor:
Information provided by:
Fernandez-Vega Ophthalmological Institute
ClinicalTrials.gov Identifier:
NCT01261013
First received: December 14, 2010
Last updated: December 23, 2010
Last verified: November 2010

December 14, 2010
December 23, 2010
January 2008
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Complete list of historical versions of study NCT01261013 on ClinicalTrials.gov Archive Site
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Intrastromal Corneal Ring Segment Implantation in 219 Keratoconic Eyes at Different Stages
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.

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Observational
Observational Model: Case-Only
Time Perspective: Prospective
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Non-Probability Sample

Patients with keratoconus (stage I; stage II and stage III,according to the Amsler-Krumeich keratoconus classification) in whom KeraRing ICRS were implanted at the Fernández-Vega Ophthalmological Institute, Oviedo, Spain.

Keratoconus
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  • keratoconus stage I in whom KeraRing ICRS were implanted
  • keratoconus stage II in whom KeraRing ICRS were implanted
  • keratoconus stage III in whom KeraRing ICRS were implanted
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
219
March 2010
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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
Both
20 Years to 60 Years
No
Contact information is only displayed when the study is recruiting subjects
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NCT01261013
IOFV-1
Yes
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Fernandez-Vega Ophthalmological Institute
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Fernandez-Vega Ophthalmological Institute
November 2010

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP