Photorefractive Keratectomy (PRK) for Hyperopia After Radial Keratotomy

NCT ID: NCT00917657

Last Updated: 2009-06-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

36 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-02-29

Study Completion Date

2009-06-30

Brief Summary

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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

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Conditions

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Hyperopia

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Interventions

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Photorefractive keratectomy

Intervention Type PROCEDURE

Eligibility Criteria

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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
Minimum Eligible Age

30 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Sao Paulo

OTHER

Sponsor Role lead

Responsible Party

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University of Sao Paulo

References

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Ghanem RC, Ghanem EA, Kara-Jose N. [Safety of photorefractive keratectomy with mitomycin-C for the treatment of hyperopia after radial keratotomy]. Arq Bras Oftalmol. 2010 Mar-Apr;73(2):165-70. doi: 10.1590/s0004-27492010000200013. Portuguese.

Reference Type DERIVED
PMID: 20549047 (View on PubMed)

Ghanem RC, Ghanem EA, Kara-Jose N. [Corneal wavefront-guided photorefractive keratectomy with mitomycin-C for consecutive hyperopia after radial keratotomy]. Arq Bras Oftalmol. 2010 Jan-Feb;73(1):70-6. doi: 10.1590/s0004-27492010000100013. Portuguese.

Reference Type DERIVED
PMID: 20464118 (View on PubMed)

Other Identifiers

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1183/07

Identifier Type: -

Identifier Source: org_study_id

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