Completed NA INTERVENTIONAL 2-arm NCT01758237

Dysphotopsia Following Laser Peripheral Iridotomy

Incidence of Visual Symptom Following Laser (Nd:YAG ) Peripheral Iridotomy (LPI) in Relation to Position of LPI

Sponsor: Credit Valley EyeCare

Conditions Narrow Angle Patients at Risk for Angle Closure Glaucoma

Interventions Nd:YAG Laser Peripheral Iridotomy Neodymium-doped: Yttrium Aluminum Garnet (Nd:YAG) laser

Updated 5 times since 2017 Last updated: Feb 11, 2013 Started: Jan 31, 2008 Primary completion: Jan 31, 2009 Completion: Jan 31, 2009

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

This NA trial investigates Narrow Angle Patients at Risk for Angle Closure Glaucoma and is currently completed. Credit Valley EyeCare leads this study, which shows 5 recorded versions since 2008 — 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 NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA
Jan 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Jan 2008

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Credit Valley EyeCare

Data source: Credit Valley EyeCare

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

Study Locations

• Mississauga, Canada