Recruiting

Barraquer Tonometer

Sponsor:

Barnes Retina Institute

Code:

NCT00409669

Conditions

Elevated Intraocular Pressure

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Accepted

Interventions

Barraquer tonometer

Study Details

Brief summary:

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.

Conditions

Elevated Intraocular Pressure

Study ID

NCT00409669

Start date

Nov, 2006

Status verified date

May, 2008

Completion date

Nov, 2008

Anticipated

Primary completion date

Nov, 2008

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Accepted

Inclusion Criteria:

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

Exclusion Criteria:

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

Study Design

Enrollment

300 participants

Anticipated

Allocation

Non randomized

Intervention Model

Single group

Primary purpose

Diagnostic

Interventions and Outcome Measures

Interventions

Barraquer tonometer

barraquer tonometer

Primary outcome measure

  • Central corneal thickness as measured by pachymetry [ Time Frame: at time of measurement ]
  • Intraocular pressure as measured by Schiotz tonometer [ Time Frame: at time of measurement ]
  • Tonopen [ Time Frame: at time of measurement ]
  • Barraquer tonometer [ Time Frame: at time of measurement ]
  • and Perkins tonometer [ Time Frame: at time of measurement ]

Central Contacts and Locations

Central contacts

Arghavan Almony, MD

314 367 1278almony@vision.wustl.edu

Locations

Washington University School of Medicine and Barnes Jewish Hospital

Recruiting

St. Louis, Missouri, United States, 63110

Contacts

Pam Light

314-367-1278

More Information

Sponsor

Barnes Retina Institute

Last update posted

May 9, 2008

Last verified

May, 2008

Keywords

  • Barraquer tonometer
  • Intraocular pressure
  • Tonometry

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by Barnes Retina Institute on 2008-05-09.