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Clinical Trials/NCT02138279
NCT02138279
Completed
Not Applicable

Comparative Study of the Topcon Tonometers - CT-800, CT-1, CT-1P and TRK-2P to Demonstrate Conformance to ANSI Z80.10-2009 Ophthalmic Instruments -Tonometers, to the FDA Guidance for Industry and FDA Staff, Tonometer-Premarket Notification [510(k)] Submissions, and to the Applicable Supplemental Information Sheet and Comparison of Pachymetry Values for CT-1P and TRK-2P With the Konan CellChek Plus (Predicate)

Topcon Medical Systems, Inc.1 site in 1 country65 target enrollmentApril 2014

Overview

Phase
Not Applicable
Intervention
Not specified
Conditions
Intraocular Pressure
Sponsor
Topcon Medical Systems, Inc.
Enrollment
65
Locations
1
Primary Endpoint
Agreement of intraocular pressure measurements from predicate vs. investigational device
Status
Completed
Last Updated
3 years ago

Overview

Brief Summary

The primary objective of this clinical study is to collect clinical data to support FDA 510(k) submissions for the Topcon CT-800, CT-1, CT-1P and TRK-2P non-contact tonometers. The secondary objective is to evaluate any adverse events found during the clinical study.

Registry
clinicaltrials.gov
Start Date
April 2014
End Date
December 2014
Last Updated
3 years ago
Study Type
Observational
Sex
All

Investigators

Responsible Party
Sponsor

Eligibility Criteria

Inclusion Criteria

  • At least 18 years of age of either sex and any race or ethnicity;
  • Willing and able to provide written informed consent prior to any study procedures being performed;
  • Willing and able to follow all instructions and attend all study visits;
  • Best Spectacle Corrected Visual Acuity (BSCVA) of 0.3 logMAR (20/40 Snellen equivalent) or better in both eyes as measured using an ETDRS chart.

Exclusion Criteria

  • Only one functional eye;
  • Poor or eccentric fixation;
  • Corneal scarring or have had corneal surgery, including corneal laser surgery;
  • Microphthalmos;
  • Buphthalmos;
  • Contact lens wearer, meaning having worn soft contact lenses within the past 3 months and/or rigid permeable gas lenses within the past 6 months;
  • Dry eyes, meaning having been diagnoses by a physician with dry eyes and currently using a prescribed medication;
  • Lid squeezer - blepharospasm;
  • Nystagmus;
  • Keratoconus;

Outcomes

Primary Outcomes

Agreement of intraocular pressure measurements from predicate vs. investigational device

Time Frame: Single timepoint - 1 day

Agreement of central corneal thickness measurements from predicate vs. investigational device

Time Frame: Single time point - 1 day

Study Sites (1)

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