Overview

Treatment of Keratoconus With PALK Versus PK

Status:
Completed
Trial end date:
2015-11-01
Target enrollment:
0
Participant gender:
All
Summary
The purpose of this study is to evaluate the visual results of patients with keratoconus treated with one of two techniques: penetrating keratoplasty (PK) vs. pachymetry and Excimer laser assisted lamellar keratoplasty (PALK).
Phase:
Phase 1
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Instituto de Oftalmología Fundación Conde de Valenciana
Criteria
Inclusion Criteria:

- Diagnosis of keratoconus grades III or IV in the Amsler Krumeich classification.

- Need of surgical procedure

- No endothelial scar

- Best corrected visual acuity <20/40

- Contact lens intolerance

- Imagenological map pachymetric acquisition over 90% at 9 mm corneal diameter

Exclusion Criteria:

- Contraindication for any of the techniques evaluated.

- Requiring additional surgical procedures.

- Diagnostic of other ectasia that were not primary keratoconus.