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A Comparison of PRK and LASIK for Correction of Myopia

A Prospective, Randomised Trial of Photo-Refractive Keratectomy (PRK) and Laser-in-Situ-Keratomileusis (LASIK) for Correction of Myopia

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00404105
Enrollment
40
Registered
2006-11-27
Start date
2000-06-30
Completion date
2004-05-31
Last updated
2006-11-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Myopia

Keywords

Excimer laser

Brief summary

The study compares the precision and accuracy of two laser refractive techniques, PRK and LASIK, for correction of nearsightedness between -6 and -8 diopters.

Interventions

PROCEDUREPRK
PROCEDURELASIK

Sponsors

University of Aarhus
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 49 Years
Healthy volunteers
No

Inclusion criteria

* spherical equivalent subjective refraction between -6.00 and -8.00 diopters * age between 18 and 49 years * desire for having laser refractive surgery

Exclusion criteria

* present or past eye disease excluding myopia * pregnant or lactating woman

Design outcomes

Primary

MeasureTime frame
Uncorrected visual acuity—
Best corrected visual acuity—
Best spectacle correction—

Secondary

MeasureTime frame
IOP—
Corneal thickness—
Corneal wavefront aberrations—

Countries

Denmark

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 25, 2026