Elevated Intraocular Pressure
Conditions
Keywords
Barraquer tonometer, Intraocular pressure, Tonometry
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.
Detailed description
Intraocular pressure will be checked using four different methods of tonometry. These four methods will include Tonopen, Goldmann applanation tonometry, Schiotz tonometry, and Barraquer tonometer. The data will then be compared to determine the reliability and accuracy of the Barraquer tonometer.
Interventions
DEVICEBarraquer tonometer
barraquer tonometer
Sponsors
Barnes Retina Institute
Study design
Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes
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).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 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 |
Countries
United States
Contacts
Primary ContactArghavan Almony, MD
Outcome results
None listed