Intraocular Pressure Accuracy and Variability of the Barraquer Tonometer
Study to Compare the Accuracy and Variability of the Barraquer Tonometer With Other Methods of Tonometry
1 other identifier
interventional
300
1 country
1
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Nov 2006
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 1, 2006
CompletedFirst Submitted
Initial submission to the registry
December 8, 2006
CompletedFirst Posted
Study publicly available on registry
December 11, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2008
CompletedMay 9, 2008
May 1, 2008
2 years
December 8, 2006
May 6, 2008
Conditions
Keywords
Outcome Measures
Primary Outcomes (5)
Central corneal thickness as measured by pachymetry
at time of measurement
Intraocular pressure as measured by Schiotz tonometer
at time of measurement
Tonopen
at time of measurement
Barraquer tonometer
at time of measurement
and Perkins tonometer
at time of measurement
Interventions
barraquer tonometer
Eligibility Criteria
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).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Washington University School of Medicine and Barnes Jewish Hospital
St Louis, Missouri, 63110, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Gilbert Grand, MD
Washington University School of Medicine and Barnes Retina Institute
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
December 8, 2006
First Posted
December 11, 2006
Study Start
November 1, 2006
Primary Completion
November 1, 2008
Study Completion
November 1, 2008
Last Updated
May 9, 2008
Record last verified: 2008-05