Photorefractive Keratectomy (PRK) for Hyperopia After Radial Keratotomy

University of Sao Paulo36 enrolled

Overview

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

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Hyperopia

Interventions

Photorefractive keratectomyPROCEDURE

Eligibility

Sex: ALLMin age: 30 YearsMax age: 70 Years

Medical Language ↔ Plain English

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

Data from ClinicalTrials.gov

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