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CompletedNCT00714922Updated Sep 16, 2010

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

An interventional study of PRK and SBK in Myopia, sponsored by University of Utah. Completed at 1 site in United States. Open to participants aged 21 Years to 80 Years. Per ClinicalTrials.gov, last updated 2010-09-16.

Sponsored by University of Utah · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
60
Allocation
Randomized
Ages
21 Years to 80 Years
Sex
All
01

Study summary

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

Read the 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.

02

Conditions studied

  • Myopia

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03

In context

Myopia

984 studies on the registry are indexed under Myopia; 210 are open to participants now.

This study's enrollment of 60 is below the median of 80 across 783 interventional studies indexed under Myopia.

Browse Myopia studies →

Lead sponsor

University of Utah is the lead sponsor of 969 studies on the registry; 178 are open to participants now.

Of its 107 completed or terminated interventional studies of FDA-regulated products, 62 (58%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
21 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Patients deemed to be suitable candidates for bilateral LASIK surgery

Exclusion criteria

Exclusion Criteria:

  • Patients who desire monovision correction rather than bilateral distance correction
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
60 participants (actual)

Study arms

  • Active comparator
    1

    PRK

    Procedure: PRK

  • Active comparator
    2

    SBK

    Procedure: SBK

Interventions

  • ProcedurePRK

    Laser refractive surgery

  • ProcedureSBK

    Laser refractive surgery

06

What researchers measure

Primary outcomes

  1. Visual acuity

    Time frame: 6 months

Secondary outcomes

  1. Manifest refraction

    Time frame: 6 months

  2. Wavefront aberration value

    Time frame: 6 months

07

Study locations

1 site
  • University of Utah, John Moran Eye Center
    Salt Lake City, Utah 84106, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 16, 2010, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00714922
Lead sponsor
University of Utah
First posted
Jul 14, 2008
Start date
Oct 2007
Primary completion
Sep 2010
Completion
Sep 2010
Last update
Sep 16, 2010

Study contacts

Majid Moshirfar, MD
principal investigator · University of Utah

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Sep 2010. You cannot join it, but the record below documents what was studied.

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