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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03067675
Other study ID # Triton RDB
Secondary ID
Status Completed
Phase
First received
Last updated
Start date March 1, 2017
Est. completion date September 30, 2017

Study information

Verified date June 2022
Source Topcon Corporation
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The objective of this study is to collect OCT measurement data on normal healthy eyes.


Description:

The objective of this study is to collect OCT measurement data on normal healthy eyes in order to determine the reference limits for Topcon DRI OCT Triton based on the percentile points for 1%, 5%, 95%, and 99%.


Recruitment information / eligibility

Status Completed
Enrollment 500
Est. completion date September 30, 2017
Est. primary completion date August 30, 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria 1. Subjects 18 years of age or older on the date of informed consent 2. Subjects able to understand the written informed consent and willing to participate as evidenced by signing the informed consent 3. Subjects presenting at the site with normal eyes bilaterally (cataracts are acceptable) 4. IOP = 21 mmHg bilaterally 5. BCVA 20/40 or better bilaterally Exclusion Criteria 1. Subjects unable to tolerate ophthalmic imaging 2. Subjects with ocular media not sufficiently clear to obtain acceptable OCT images 3. HFA visual field (24-2 Sita Standard, white on white) result unreliable (based on manufacturer's recommendation), defined as fixation losses > 20% or false positives > 33%, or false negatives > 33% 4. Visual field defects consistent with glaucomatous optic nerve damage based on at least one of the following two findings: 1. On pattern deviation (PD), there exists a cluster of 3 or more points in an expected location of the visual field depressed below the 5% level, at least 1 of which is depressed below the 1% level; 2. Glaucoma hemi-field test "outside normal limits." 5. Narrow angle 6. History of leukemia, dementia or multiple sclerosis 7. Concomitant use of hydroxychloroquine and chloroquine

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Topcon DRI OCT Triton (plus)
OCT Machine used for diagnostic purposes

Locations

Country Name City State
United States Southern California College of Optometry Anaheim California
United States Illinois College of Optometry Chicago Illinois
United States New York VA Jamaica New York
United States Stat University of New York College of Optometry New York New York
United States Accessoreyes Optometry Pasadena California
United States Fischer Laser Eye Center Willmar Minnesota

Sponsors (1)

Lead Sponsor Collaborator
Topcon Corporation

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Retinal Thickness The thickness of the macula layer 1 Minute
See also
  Status Clinical Trial Phase
Active, not recruiting NCT06071546 - Clinical Investigation of a New Version of MAIA Microperimeter on Healthy Subjects and Patients With Retinal Pathology N/A
Completed NCT03080714 - Triton Agreement and Precision Study
Completed NCT03022383 - TopQ Cutoff Threshold Validation Study for DRI OCT Triton Plus
Completed NCT02982174 - Evaluation of the Signal to Noise Ratio at Various Retinal Layers
Withdrawn NCT02991027 - OCT Image Quality Performance Evaluation N/A
Active, not recruiting NCT04661124 - Evaluation of the Heidelberg Engineering SPECTRALIS With Flex Module for In-vivo Imaging in the Supine Position