Clinical Evaluation of CATS Tonometer Prism

August 6, 2018 updated by: Intuor Technologies, Inc.

Prospective, open-labeled, randomized, controlled, multicenter study at two clinical investigative sites in Tucson, Arizona. The subjects will undergo intraocular pressure measurement with the CATS tonometer prism and the Goldmann applanation tonometer prism (GAT).

Of the 200 eyes, at least 10 highly astigmatic eyes (>3 D of corneal astigmatism) each in the low, medium and high IOP ranges shall have the same clinical testing and analysis of results, with the analysis kept separate from that of the main group.

Study Overview

Study Type

Interventional

Enrollment (Actual)

86

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Arizona
      • Tucson, Arizona, United States, 85710
        • Arizona Eye Consultants

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Written informed consent (and assent when applicable)obtained from subject or subject's legal representative and ability for subject to comply with the requirements of the study.
  • Male and female patients, at least 18 years of age

Exclusion Criteria:

  • Subject has undergone ocular surgery within the last 3 months
  • Uncontrolled systemic disease that in the opinion of the Investigator would put the subject's heath at risk
  • Pregnant or nursing women
  • Subjects with only one functional eye
  • Those with one eye having poor or eccentric fixation
  • Eyes displaying an oval contact image
  • Those with corneal scarring or who have had corneal surgery including corneal laser surgery
  • Microphthalmos
  • Buphthalmos
  • Contact lens wearers
  • Severe Dry eyes
  • Lid squeezers - blepharospasm
  • Nystagmus
  • Keratoconus
  • Any other corneal or conjunctival pathology or infection.
  • Central corneal thickness greater than 0.600 mm or less than 0.500 mm (2 standard deviations about the human mean)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Goldmann Tonometer
Goldmann Tonometer prism will be used as a based line comparator for tolerance assessment versus the active test comparator CATS tonometer prism
demonstrate that not more than 5% of the paired differences between the reference tonometer (CATS prism) reading and the test tonometer (Goldmann prism) reading for each pressure range
Experimental: CATS tonometer
CATS tonometer prism being used as the test product to assess IOP measurement versus active comparator the Goldmann Tonometer prism
demonstrate that not more than 5% of the paired differences between the reference tonometer (CATS prism) reading and the test tonometer (Goldmann prism) reading for each pressure range

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
All subjects will have CATS tonometer prism intraocular pressure readings compared to Goldmann tonometer prism readings in establishing effectiveness.
Time Frame: From date of randomization until 24 hours
From date of randomization until 24 hours

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2017

Primary Completion (Actual)

November 1, 2017

Study Completion (Actual)

November 1, 2017

Study Registration Dates

First Submitted

November 28, 2016

First Submitted That Met QC Criteria

December 8, 2016

First Posted (Estimate)

December 12, 2016

Study Record Updates

Last Update Posted (Actual)

August 8, 2018

Last Update Submitted That Met QC Criteria

August 6, 2018

Last Verified

August 1, 2018

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CATS Tonometer, LLC - CP-01

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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