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Graefe's Archive for Clinical and Experimental Ophthalmology

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01-12-2018 | Retinal Disorders

Morphologic features of large choroidal vessel layer: age-related macular degeneration, polypoidal choroidal vasculopathy, and central serous chorioretinopathy

Authors: Jiwon Baek, Jae Hyung Lee, Byung Joo Jung, Lee Kook, Won Ki Lee

Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 12/2018

Abstract

Purpose

To compare choroidal vascular characteristics of age-related macular degeneration (AMD), polypoidal choroidal vasculopathy (PCV), and central serous chorioretinopathy (CSC) by qualitative and quantitative analyses using swept-source en face optical coherence tomographic (OCT) images.

Methods

Eyes with non-neovascular AMD (n = 32), neovascular AMD (n = 30), thick and thin choroid PCV (n = 33 and 27), and CSC (n = 34) were enrolled. Subfoveal choroidal thickness (SFCT) and the presence and patterns of pachyvessels were assessed. En face images of the large choroidal vessel layer were converted to binary images for the analysis of vascular density.

Results

Pachyvessels were identified in 8 (25%), 14 (46%), 28 (85%), 26 (96%), and 34 (100%) non-neovascular AMD, neovascular AMD, thin choroid PCV, thick choroid PCV, and CSC eyes, respectively (P < 0.001). The pattern of pachyvessels was focal in non-neovascular AMD (100%), neovascular AMD (79%), and thin choroid PCV (89%) while the pattern was mostly diffuse in CSC (88%) and thick choroid PCV (81%). The mean choroidal vascular density in a 6 × 6 mm² macular area of each group was 45.3%, 46.9%, 47.0%, 52.5%, and 54.8%, respectively (P < 0.001). Post hoc analysis revealed significantly higher vascular density in CSC compared with other types (all P < 0.001) except PCV with thick choroid (P = 0.066).

Conclusions

Similarities in vascular density of the large choroidal vessel layer and pachyvessel pattern were between CSC and thick choroid PCV and between AMD and thin choroid PCV, suggesting common pathophysiology involving choroidal changes in these eyes.

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Title: Morphologic features of large choroidal vessel layer: age-related macular degeneration, polypoidal choroidal vasculopathy, and central serous chorioretinopathy
Authors: Jiwon Baek
Jae Hyung Lee
Byung Joo Jung
Lee Kook
Won Ki Lee
Publication date: 01-12-2018
Publisher: Springer Berlin Heidelberg
Published in: Graefe's Archive for Clinical and Experimental Ophthalmology / Issue 12/2018
Print ISSN: 0721-832X
Electronic ISSN: 1435-702X
DOI: https://doi.org/10.1007/s00417-018-4143-1

At a glance: The STEP trials

Springer Medicine

Morphologic features of large choroidal vessel layer: age-related macular degeneration, polypoidal choroidal vasculopathy, and central serous chorioretinopathy

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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