At a glance

ClinicalIndex Comparison Record

Phase 3Completed

Drug / intervention

Radial Keratotomyprocedure

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.

Search/NCT00000129

NCT00000129Phase 3Completed

Compare CT.gov

Prospective Evaluation of Radial Keratotomy (PERK) Study

National Eye Institute (NEI)·interventional·Posted Sep 24, 1999·Updated Sep 17, 2009

In Brief

A Phase 3 clinical trial evaluating Radial Keratotomy for Myopia. Completed.

Detailed Summary

To determine whether radial keratotomy is effective in reducing myopia. To detect complications of the surgery. To discover patient characteristics and surgical factors affecting the results. To determine the long-term safety and efficacy of the procedure.

Study Details

Study Typeinterventional

Allocation--

Masking--

Primary Purpose--

ConditionsMyopia

Countries--

Collaborators--

Timeline

Phase 3CompletedFinished

198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027

Enrollment StartApr 1981

Study CompletionOct 1983

First PostedSep 1999

TodayJul 2026

First PostedSep 24, 1999

Enrollment StartApr 1, 1981

Study CompletionOct 1, 1983

TodayJul 2, 2026

Posted 26.8 years ago

Interventions

Radial Keratotomyprocedure