Eye Pressure Lowering Surgery

Status unconfirmed

Conditions studied: Glaucoma

In brief

The purpose of this study is to determine if lowering the pressure inside the eye improves blood flow to the eye.

Key facts

Study ID

NCT01931904

Run by

Oregon Health and Science University

People needed

46

Starts

2014-02-01

Expected to finish

2026-05-01

Last updated by the study team

2023-04-18

Who can join

Age: 18 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Subjects diagnosed with perimetric open angle glaucoma or chronic angle closure glaucoma.
• Subjects scheduled to undergo trabeculectomy or tube shunt surgery

You may not qualify if…

• Best-corrected visual acuity less than 20/40
• Age < 18 or >85 years
• Refractive error of > +3.00 D or < -7.00 D
• Previous vision correction surgery such as Laser-Assisted in situ Keratomileusis (LASIK) or Photorefractive Keratectomy (PRK)
• Previous intraocular surgery except for uncomplicated cataract extraction with posterior chamber intraocular lens implantation
• Diabetic retinopathy
• History of heart failure, myocardial infarction, transient ischemic attack or stroke
• Other diseases that may cause VF loss or optic disc abnormalities
• Inability to clinically view or photograph the optic discs due to media opacity or poorly dilating pupil
• Inability to perform reliably on automated VF testing
• Life-threatening or debilitating illness making it unlikely patient will successfully complete the study.
• Refusal of informed consent or of commitment to the full length of the study

Where it is running

• OHSU — Portland, Oregon, United States (enrolling)

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.