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KMID : 0360220190600050434
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Journal of the Korean Ophthalmological Society
2019 Volume.60 No. 5 p.434 ~ p.439
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Comparison of Macular Retinal Thickness among Four Optical Coherence Tomography Devices in Healthy Young Subjects
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Cho So-Yeon
Hwang Yoon-Ha
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Abstract
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Purpose: This study was performed to compare macular retinal thickness measured by four different optical coherence tomography (OCT) devices.
Methods: Macular retinal thicknesses were measured in 32 healthy eyes of 32 subjects by using Cirrus HD-OCT (Carl Zeiss Meditec, Inc., Dublin, CA, USA), Spectralis OCT (Heidelberg engineering, Heidelberg, Germany), Topcon DRI OCT (Topcon Corp., Tokyo, Japan), and RS-3000 Advance OCT (Nidek, Co., Ltd., Gamagori, Japan). Macular retinal thickness measurements were compared among the devices.
Results: Average macular retinal thickness ranged 288.7 to 313.3 μm (p < 0.01). Differences in average macular retinal thickness among the devices ranged from 0.7 to 27.3 μm; the limit of agreement (LoA) ranged from 9.7 to 24.4 μm. Among the devices, comparison between Spectralis OCT and RS-3000 Advance OCT showed the smallest difference in average macular retinal thickness (mean, 0.7 μm) and the narrowest LoA (-6.4 to 3.3 μm).
Conclusions: Macular retinal thickness measured by four different OCT devices showed different values. However, values obtained by Spectralis OCT and RS-3000 Advance OCT showed good agreement.
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KEYWORD
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Macula, Optical coherence tomography, Retina
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