Status:
COMPLETED
Photorefractive Keratectomy (PRK) for Hyperopia After Radial Keratotomy
Lead Sponsor:
University of Sao Paulo
Conditions:
Hyperopia
Eligibility:
All Genders
30-70 years
Phase:
NA
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).
Eligibility Criteria
Inclusion
- 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
- Systemic or ocular conditions that could bias results
- Previous photorefractive surgery
Key Trial Info
Start Date :
February 1 2008
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
June 1 2009
Estimated Enrollment :
36 Patients enrolled
Trial Details
Trial ID
NCT00917657
Start Date
February 1 2008
End Date
June 1 2009
Last Update
June 10 2009
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