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The development of a reference database with the Topcon 3D OCT-1 Maestro

Authors Chaglasian M, Fingeret M, Davey PG, Huang WC, Leung D, Ng E, Reisman CA

Received 26 October 2017

Accepted for publication 8 February 2018

Published 7 May 2018 Volume 2018:12 Pages 849—857


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser

Michael Chaglasian,1 Murray Fingeret,2 Pinakin Gunvant Davey,3 Wei-Chieh Huang,4 Danny Leung,4 Edmund Ng,5 Charles A Reisman4

1Illinois Eye Institute, Illinois College of Optometry, Chicago, IL, USA; 2Department of Veterans Affairs, New York Harbor Health Care System, Brooklyn, NY, USA; 3School of Optometry, Western University of Health Sciences, Pomona, CA, USA; 4Topcon Healthcare Solutions Research and Development, Oakland, NJ, USA; 5Edmund Ng Consulting, LLC, Seattle, WA, USA

Importance: The paper presents the range for measurements taken with a new spectral domain optical coherence tomography (OCT) device to establish a reference database for discrimination purposes.
Objective: To report the range of thickness values for the new Topcon Maestro 3D OCT device with 2 scan size settings: the 12×9 mm wide field and 6×6 mm scans.
Design: Prospective, multicenter cohort study conducted at 7 clinical sites across the USA.
Setting: Primary eyecare clinics within academic, hospital, and private practice locations.
Participants: Healthy volunteers; all enrolled participants underwent a complete ophthalmological examination to confirm healthy ocular status prior to being enrolled in the study.
Main outcome measure: Average and 1st, 5th, 95th, and 99th percentile ranges for OCT parameters Early Treatment Diabetic Retinopathy Study macula full retinal thickness, ganglion cell + inner plexiform layer thickness (GCL + IPL), ganglion cell complex (GCC) thickness, circumpapillary retinal nerve fiber layer (cpRNFL) thickness.
Results: Three hundred and ninety-nine eyes of 399 subjects were included in the analysis. Mean (SD) age was 46.3 (16.3) years (range 18–88 years). Forty-three percent of the subjects were male. Mean (SD) measurements (in μm) for the 12×9 mm wide scan were as follows: foveal thickness=237.079 (20.899), GCL + IPL=71.363 (5.924), GCC=105.949 (8.533), cpRNFL=104.720 (11.829); measurements for the 6×6 mm scans were as follows: foveal thickness=234.000 (20.657), GCL + IPL=71.726 (5.880), GCC=106.698 (9.094), cpRNFL=104.036 (11.341).
Conclusion: The overall normal thickness values reported with Topcon 3D OCT-1 Maestro were like those studies with OCT from different manufactures. The reference limits at the 1st, 5th, 95th, and 99th percentile points establish the thresholds for the quantitative comparison of the cpRNFL and the macula in the human retina to a database of known healthy subjects.

spectral domain optical coherence tomography, normal eyes, 3D OCT-1 Maestro, macular measurements, circumpapillary retinal nerve fiber layer, optic disc

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