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Title: Age-related changes of individual macular retinal layers among Asians
Authors: Chua, J.
Tham, Y.C.
Tan, B.
Devarajan, K.
Schwarzhans, F.
Gan, A.
Wong, D.
Cheung, C.Y.
Majithia, S.
Thakur, S.
Fischer, G.
Vass, C.
Cheng, C.-Y. 
Schmetterer, L.
Issue Date: 2019
Publisher: Nature Research
Citation: Chua, J., Tham, Y.C., Tan, B., Devarajan, K., Schwarzhans, F., Gan, A., Wong, D., Cheung, C.Y., Majithia, S., Thakur, S., Fischer, G., Vass, C., Cheng, C.-Y., Schmetterer, L. (2019). Age-related changes of individual macular retinal layers among Asians. Scientific Reports 9 (1) : 20352. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: We characterized the age-related changes of the intra-retinal layers measured with spectral-domain optical coherence tomography (SD-OCT; Cirrus high-definition OCT [Carl Zeiss Meditec]. The Singapore Epidemiology of Eye Diseases is a population-based, cross-sectional study of Chinese, Malays and Indians living in Singapore. Iowa Reference Algorithms (Iowa Institute for Biomedical Imaging) were used for intra-retinal layer segmentation and mean thickness of 10 intra-retinal layers rescaled with magnification correction using axial length value. Linear regression models were performed to investigate the association of retinal layers with risk factors. After excluding participants with history of diabetes or ocular diseases, high-quality macular SD-OCT images were available for 2,047 participants (44–89 years old). Most of the retinal layers decreased with age except for foveal retinal nerve fiber layer (RNFL) and the inner/outer segments of photoreceptors where they increased with age. Men generally had thicker retinal layers than women. Chinese have the thickest RNFL and retinal pigment epithelium amongst the ethnic groups. Axial length and refractive error remained correlated with retinal layers in spite of magnification correction. Our data show pronounced age-related changes in retinal morphology. Age, gender, ethnicity and axial length need be considered when establishing OCT imaging biomarkers for ocular or systemic disease. © 2019, The Author(s).
Source Title: Scientific Reports
ISSN: 20452322
DOI: 10.1038/s41598-019-56996-6
Rights: Attribution 4.0 International
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