Photorefractive Keratectomy (PRK) for Hyperopia After Radial Keratotomy

Not Applicable

Completed

• Conditions: Hyperopia

• Registration Number: NCT00917657
• Lead Sponsor: University of Sao Paulo

Brief Summary

To assess the efficacy, predictability, stability and safety of corneal wavefront-guided photorefractive keratectomy (PRK) for correcting hyperopia and astigmatism after radial keratotomy (RK).

Detailed Description

Not available

Study Timeline

• Study Start: 2008-02
• Status Verified: 2009-06
• Primary Completion: 2009-06
• Study Completion: 2009-06
• Study First Submitted: 2009-06-09
• Study First Submitted QC: 2009-06-09
• Last Update Submitted: 2009-06-09
• Study First Posted: 2009-06-10
• Last Update Posted: 2009-06-10

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 36

Inclusion Criteria

• Hyperopia or hyperopic astigmatism with spherical equivalent of up to + 9,25 D and astigmatism of up to - 4,5 D;
• Uncorrected Visual Acuity of 20/40 or worse;
• Best-Corrected Visual Acuity of 20/60 or better.

Exclusion Criteria

• Systemic or ocular conditions that could bias results
• Previous photorefractive surgery

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP