Patterns and Determinants of Choroidal Thickness in a Multiethnic Asian Population : The Singapore Epidemiology of Eye Diseases Study
Copyright © 2020 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved..
PURPOSE: To describe the distribution and determinants of choroidal thickness (CT) in participants in a population study based on spectral-domain (SD)-OCT measurements.
DESIGN: Population-based, cross-sectional study.
PARTICIPANTS: Ethnic Chinese, Indian, and Malay adults aged more than 50 years without any retinal diseases (e.g., diabetic retinopathy, macular edema, age-related macular degeneration, central serous chorioretinopathy) that might affect the CT were recruited from the Singapore Epidemiology of Eye Diseases Study.
METHODS: Choroidal imaging was performed by SD-OCT (Spectralis, Heidelberg Engineering, Heidelberg, Germany) in enhanced depth imaging (EDI) mode. Subfoveal choroidal thickness (SFCT) was measured on the foveal line scan by 2 retinal experts independently (YS and KT), and the average was used in the analyses. In Chinese and Indian cohorts in whom macular raster scans were captured, the manufacturer-supplied research software (Heyex SP-X version 6.4.8.116; Heidelberg Engineering) was used to obtain automated segmentation yielding mean choroidal thickness in each of the 9 ETDRS grid sectors.
MAIN OUTCOME MEASURES: Subfoveal choroidal thickness and regional CT in the 9 ETDRS grid sectors.
RESULTS: For the SFCT analysis, 2794 eyes of 1619 participants (Chinese, Indian, and Malay ) were included. The mean age was 60.9 years (standard deviation, 7.7), and 797 (49.2%) were male. Mean SFCT was 255.2 μm (standard deviation, 102.6). The normal range of SFCT was 106 to 447 μm (corresponding to 5th and 95th percentile limits of SFCT, respectively). In multivariable models, thinner SFCT was associated with older age, female gender, longer axial length, and Malay (vs. Chinese) ethnicity. In the subset of Chinese and Indian eyes (n = 1842) in whom regional variation was evaluated, the choroid was thickest at the superior and temporal sectors and thinner at the inferior and nasal sectors.
CONCLUSIONS: Subfoveal choroidal thickness is influenced by age, gender, and ethnicity along with regional differences even within individual eyes. Subfoveal choroidal thickness also shows a wide range in physiologic limits. These data may be used as a reference in future studies.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:5 |
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| Enthalten in: |
Ophthalmology. Retina - 5(2021), 5 vom: 01. Mai, Seite 458-467 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Song, Youngseok [VerfasserIn] |
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| Links: |
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| Themen: |
Choroidal thickness |
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| Anmerkungen: |
Date Completed 21.12.2021 Date Revised 21.12.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.oret.2020.08.012 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM31431444X |
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| 100 | 1 | |a Song, Youngseok |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Patterns and Determinants of Choroidal Thickness in a Multiethnic Asian Population |b The Singapore Epidemiology of Eye Diseases Study |
| 264 | 1 | |c 2021 | |
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| 500 | |a Date Completed 21.12.2021 | ||
| 500 | |a Date Revised 21.12.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a PURPOSE: To describe the distribution and determinants of choroidal thickness (CT) in participants in a population study based on spectral-domain (SD)-OCT measurements | ||
| 520 | |a DESIGN: Population-based, cross-sectional study | ||
| 520 | |a PARTICIPANTS: Ethnic Chinese, Indian, and Malay adults aged more than 50 years without any retinal diseases (e.g., diabetic retinopathy, macular edema, age-related macular degeneration, central serous chorioretinopathy) that might affect the CT were recruited from the Singapore Epidemiology of Eye Diseases Study | ||
| 520 | |a METHODS: Choroidal imaging was performed by SD-OCT (Spectralis, Heidelberg Engineering, Heidelberg, Germany) in enhanced depth imaging (EDI) mode. Subfoveal choroidal thickness (SFCT) was measured on the foveal line scan by 2 retinal experts independently (YS and KT), and the average was used in the analyses. In Chinese and Indian cohorts in whom macular raster scans were captured, the manufacturer-supplied research software (Heyex SP-X version 6.4.8.116; Heidelberg Engineering) was used to obtain automated segmentation yielding mean choroidal thickness in each of the 9 ETDRS grid sectors | ||
| 520 | |a MAIN OUTCOME MEASURES: Subfoveal choroidal thickness and regional CT in the 9 ETDRS grid sectors | ||
| 520 | |a RESULTS: For the SFCT analysis, 2794 eyes of 1619 participants (Chinese, Indian, and Malay ) were included. The mean age was 60.9 years (standard deviation, 7.7), and 797 (49.2%) were male. Mean SFCT was 255.2 μm (standard deviation, 102.6). The normal range of SFCT was 106 to 447 μm (corresponding to 5th and 95th percentile limits of SFCT, respectively). In multivariable models, thinner SFCT was associated with older age, female gender, longer axial length, and Malay (vs. Chinese) ethnicity. In the subset of Chinese and Indian eyes (n = 1842) in whom regional variation was evaluated, the choroid was thickest at the superior and temporal sectors and thinner at the inferior and nasal sectors | ||
| 520 | |a CONCLUSIONS: Subfoveal choroidal thickness is influenced by age, gender, and ethnicity along with regional differences even within individual eyes. Subfoveal choroidal thickness also shows a wide range in physiologic limits. These data may be used as a reference in future studies | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a choroidal thickness | |
| 650 | 4 | |a regional choroidal thickness | |
| 650 | 4 | |a spectral-domain OCT | |
| 650 | 4 | |a subfoveal choroidal thickness | |
| 700 | 1 | |a Tham, Yih-Chung |e verfasserin |4 aut | |
| 700 | 1 | |a Chong, Crystal |e verfasserin |4 aut | |
| 700 | 1 | |a Ong, Ricardo |e verfasserin |4 aut | |
| 700 | 1 | |a Fenner, Beau J |e verfasserin |4 aut | |
| 700 | 1 | |a Cheong, Kai Xiong |e verfasserin |4 aut | |
| 700 | 1 | |a Takahashi, Kengo |e verfasserin |4 aut | |
| 700 | 1 | |a Jordan-Yu, Janice Marie |e verfasserin |4 aut | |
| 700 | 1 | |a Teo, Kelvin Yi Chong |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Anna C S |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Ching-Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Wong, Tien Yin |e verfasserin |4 aut | |
| 700 | 1 | |a Chakravarthy, Usha |e verfasserin |4 aut | |
| 700 | 1 | |a Yanagi, Yasuo |e verfasserin |4 aut | |
| 700 | 1 | |a Cheung, Gemmy Chui Ming |e verfasserin |4 aut | |
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