Intraocular Pressure Accuracy and Variability of the Barraquer Tonometer

Status unconfirmed · Not applicable

Conditions studied: Elevated Intraocular Pressure

In brief

To determine if the Barraquer tonometer provides an accurate and reliable measurement of intraocular pressure. The Barraquer tonometer is a device used to safely and painlessly measure intraocular pressure.

Key facts

Study ID

NCT00409669

Run by

Barnes Retina Institute

People needed

300

Starts

2006-11-01

Expected to finish

2008-11-01

Last updated by the study team

2008-05-09

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• All patients of Barnes Retina Institute who are scheduled to undergo vitreoretinal surgery.
• All patients scheduled for routine eye examination at the Washington University Eye Clinic or Barnes Jewish Eye Clinic.
• All ages (patients seen at these locations are adult patients >18 years of age).

You may not qualify if…

• Any patient who is seen in the outpatient clinics for an urgent or emergency ophthalmological issue.
• Any patient who has a contraindication to routine, noninvasive methods of tonometry and/or pachymetry (ie corneal ulcer).

Where it is running

• Washington University School of Medicine and Barnes Jewish Hospital — St Louis, Missouri, United States (enrolling)

Full record on ClinicalTrials.gov

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