Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT00889941 · ClinicalTrials.gov registry record · Phase 4
Effect of Preoperative Pupil Size on Quality of Vision After Wavefront-Guided LASIK
A Phase 4 study of Myopia, sponsored by Stanford University.
- Completed
- Registry status
- Phase 4
- Development phase
- 51
- Enrollment target
- 1
- Study location
NCT00889941: Completed Phase 4 study of Myopia, sponsored by Stanford University.
NCT00889941 is a Phase 4 study of Myopia that has completed, run by Stanford University. The registered enrollment target is 51 participants, below the 267-participant average among 90 other Myopia trials with a reported enrollment target (81% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00889941, a Phase 4 study of Myopia, has completed, sponsored by Stanford University.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 51 participants
- Enrollment target
- 1
- Study location
Study Summary
The purpose of this study is to evaluate whether the size of the pupil has an effect on quality of vision in patients undergoing LASIK surgery.
Conditions Studied
Interventions
- PROCEDURE LASIK
Study Locations (1)
California
- Stanford University School of Medicine - Stanford
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 51 participants |
| Start Date | 2004-05 |
| Est. Completion | 2005-11 |
| Phase | Phase 4 |
What the finished NCT00889941 record still lists
NCT00889941 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 51 participants, a relatively small participant target, below the 267-participant average among 90 other Myopia trials with a reported enrollment target (81% lower).
The record links to 1 condition, with Myopia appearing as the primary indexed condition, and to 1 intervention - of which LASIK is the first listed.
NCT00889941 reports a single indexed study location in California.
Frequently Asked Questions
What is clinical trial NCT00889941 about?
NCT00889941 is a clinical study titled "Effect of Preoperative Pupil Size on Quality of Vision After Wavefront-Guided LASIK". The purpose of this study is to evaluate whether the size of the pupil has an effect on quality of vision in patients undergoing LASIK surgery.
What is the current status of trial NCT00889941?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 51 participants. The study started on 2004-05. Estimated completion is 2005-11.
What conditions does trial NCT00889941 study?
This clinical trial studies the following conditions: Myopia.
What interventions are being tested in trial NCT00889941?
The interventions under investigation include: LASIK (PROCEDURE).
Who is sponsoring clinical trial NCT00889941?
This trial is sponsored by Stanford University, which has 1,744 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00889941 being conducted?
This trial has 1 study location across California. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Myopia
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00889941's enrollment target sits among peer trials
51 67th of 90 higher than 22 of 90 other Myopia trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Myopia trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
-
Changes in Eye Shape With Myopia Management Interventions
ACTIVE NOT RECRUITING · Phase 4
-
The Influence of Atropine on Choroidal Thickness
COMPLETED · Phase 4
-
Efficacy of Repeated Low-level Red-light Therapy in Myopia Control
RECRUITING · NA
-
Comprehensive Assessment of Multiple Products (CAMP)
RECRUITING · NA
-
Children's Viewing Behavior
RECRUITING · NA
-
Clinical Evaluation of WaveLight Plus LASIK
RECRUITING
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT02701153 · 51 participants · NA
Phase II Study of 5-Day Hypofractionated Preoperative Radiation Therapy for Soft Tissue Sarcomas: Expansion Cohort
- NCT03663790 · 51 participants · NA
Effects of Gait Retraining on Lower Extremity Biomechanics
- NCT03874052 · 51 participants · Phase 1
Ruxolitinib in Combination With Venetoclax With and Without Azacitidine in Treating Patients With Relapsed or Refractory Acute Myeloid Leukemia
- NCT04704661 · 51 participants · Phase 1
Testing the Combination of Two Anti-cancer Drugs, DS-8201a and AZD6738, for The Treatment of Advanced Solid Tumors Expressing the HER2 Protein or Gene, The DASH Trial
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia