Intraocular Pressure
Conditions
Brief summary
The goal of this study is to evaluate the agreement between intraocular pressure (IOP) measurements taken by iCare, held in both vertical and horizontal positions. In addition, iCare measurements will be compared against pneumotonometry measurements to assess for accuracy.
Interventions
OTHERHorizontal iCare
IOP of the right eye will be measured using the iCare tonometer held in the horizontal position first and then in the vertical position.
OTHERVertical iCare
IOP of the right eye will be measured using the iCare tonometer held in the vertical position first and then in the horizontal position.
Sponsors
Robert Cizik Eye Clinic
The University of Texas Health Science Center, Houston
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
DIAGNOSTIC
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
* 18 years of age or older * Must be able to understand and sign and informed consent form that has been approved by an Institutional Review Board/Ethics Committee
Exclusion criteria
* Evidence of corneal epithelial defects or pathology affecting corneal rigidity * Use of topical ophthalmic medications (except for artificial tears) * History or corneal surgeries * Any condition that would prevent or inhibit intraocular pressure measurements using iCare or pneumotonometry * Evidence of ocular infection 30 days prior to enrollment * Allergy to proparacaine or latex
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| IOP taken by iCare - horizontal | 1 Day |
| IOP taken by iCare - vertical | 1 Day |
| IOP taken by pneumatonometer | 1 Day |
Countries
United States
Outcome results
None listed