Comparison of Photorefractive Keratectomy (PRK) and Sub-Bowman's Keratomileusis (SBK)

Comparison of Photorefractive Keratectomy (PRK) and Sub-Bowman's Keratomileusis (SBK): Assessment of Visual Function and Patient Satisfaction

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00714922

Enrollment

Registered

2008-07-14

Start date

2007-10-31

Completion date

2010-09-30

Last updated

2010-09-16

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

Conditions

Myopia

Brief summary

The objective of the study is to compare clinical outcomes from PRK and SBK using FDA-approved laser technology in the same patient

Detailed description

Patients undergoing bilateral laser refractive surgery on the same day will be randomly assigned to have one eye treated with PRK and the fellow eye treated with SBK.

Interventions

PROCEDUREPRK

Laser refractive surgery

PROCEDURESBK

Laser refractive surgery

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

21 Years to 80 Years

Healthy volunteers

Inclusion criteria

* Patients deemed to be suitable candidates for bilateral LASIK surgery

Exclusion criteria

* Patients who desire monovision correction rather than bilateral distance correction

Design outcomes

Primary

Measure	Time frame
Visual acuity	6 months

Secondary

Measure	Time frame
Manifest refraction	6 months
Wavefront aberration value	6 months

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026