Completed PHASE4 INTERVENTIONAL 3-arm NCT00889941

Effect of Preoperative Pupil Size on Quality of Vision After Wavefront-Guided LASIK

Sponsor: Stanford University

Conditions Myopia

Interventions LASIK

Updated 5 times since 2017 Last updated: Apr 28, 2009 Started: May 31, 2004 Primary completion: Nov 30, 2005 Completion: Nov 30, 2005

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Myopia and is currently completed. Stanford University leads this study, which shows 5 recorded versions since 2004 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jun 2018 — Jan 2021 [monthly]

Completed PHASE4
Jan 2017 — Jun 2018 [monthly]

Completed PHASE4

First recorded

May 2004

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Stanford University

Data source: Stanford University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Stanford, United States