Horizontal vs. Vertical Positioning of the iCare Rebound Tonometer and Effects on Intraocular Pressure Readings

Intraocular Pressure Clinical Trial

Official title:

Horizontal vs. Vertical Positioning of the iCare Rebound Tonometer and Effects on Intraocular Pressure Readings

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02837536
• Other study ID #: HSC-MS-16-0396
• Status: Completed
• Phase: N/A
• First received: July 8, 2016
• Last updated: March 6, 2017
• Start date: June 23, 2016
• Est. completion date: December 23, 2016

Study information

• Verified date: March 2017
• Source: The University of Texas Health Science Center, Houston
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial 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.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 107
• Est. completion date: December 23, 2016
• Est. primary completion date: July 20, 2016
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years and older

Eligibility

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

Related Conditions & MeSH terms

• Intraocular Pressure

Intervention

Other:
• Horizontal 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.
• Vertical 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.

Locations

Country	Name	City	State
United States	Robert Cizik Eye Clinic	Houston	Texas

Sponsors (2)

Lead Sponsor	Collaborator
The University of Texas Health Science Center, Houston	Robert Cizik Eye Clinic

Country where clinical trial is conducted

United States, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	IOP taken by iCare - horizontal		1 Day
Primary	IOP taken by iCare - vertical		1 Day
Primary	IOP taken by pneumatonometer		1 Day