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

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01261013
First Posted: December 16, 2010
Last Update Posted: December 27, 2010
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Fernandez-Vega Ophthalmological Institute
December 14, 2010
December 16, 2010
December 27, 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
Sexes Eligible for Study: All
20 Years to 60 Years   (Adult)
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