At a glance
ClinicalIndex Comparison RecordPhase 3Completed· 50 enrolled
Drug / intervention
photorefractive keratectomy (PRK)procedure
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Comparison of Cross-cylinder and Conventional PRK for Laser Correction of Astigmatism: A Randomized Clinical Trial.
In Brief
A Phase 3 clinical trial evaluating photorefractive keratectomy (PRK) for Astigmatism. Completed, enrolled 50 participants across 1 site.
Detailed Summary
The purpose of this study is to determine whether cross-cylinder approach is more effective than routine method in laser correction of astigmatism.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsAstigmatism
CountriesIran
Collaborators--
Timeline
Phase 3CompletedFinished
20082009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartNov 2007
First PostedApr 2008
Primary CompletionJun 2009
Study CompletionDec 2009
TodayJul 2026
First PostedApr 22, 2008
Enrollment StartNov 1, 2007
Primary CompletionJun 1, 2009
Study CompletionDec 1, 2009
TodayJul 2, 2026
Enrollment to primary: 1.6 yearsPosted 18.2 years ago
Interventions
photorefractive keratectomy (PRK)procedure
comparison of PRK by cross-cylinder approach in one eye and conventional (single) method in the other eye for laser correction of astigmatism