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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Three-dimensional tomographic features of dome-shaped macula by swept-source optical coherence tomography
American Journal of Ophthalmology, Volume 155, No. 2, Year 2013
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Description
Purpose: To study the tomographic and pathomorphologic features of dome-shaped maculas with swept-source optical coherence tomography (OCT). Design: Prospective, cross-sectional study. Methods: The macular area of 51 highly myopic eyes (35 patients) with dome-shaped maculas was studied with swept-source OCT at 1050 nm. Three-dimensional (3-D) data sets were obtained with raster scanning covering a 12 × 8-mm2 area; 3-D images of the posterior pole were constructed by autosegmentation of the retinal pigment epithelium (RPE). Results: In all reconstructed 3-D images of the RPE, 2 outward concavities were seen within the posterior staphyloma and a horizontal ridge was formed between these 2 concavities. In 42 of these eyes, this horizontal ridge was band shaped. The vertical OCT section through the fovea showed a convex configuration of RPE, but the horizontal section showed an almost flat RPE line. In 9 eyes, 3-D images showed a typical dome-shaped convexity within the staphyloma. OCT scans showed no outward protrusions in the external scleral surface, but marked scleral thinning was seen consistent with the 2 outward concavities of the RPE. The sclera of the fovea (518.6 ± 97.6 μm) was significantly thicker than that in all 4 quadrants of the parafoveal area (range, 277.2 to 360.3 μm; P <.001). Conclusions: In highly myopic eyes with a dome-shaped macula, a horizontal ridge is formed within the posterior staphyloma by uneven thinning of the sclera. © 2013 by Elsevier Inc. All rights reserved.
Authors & Co-Authors
Ellabban, Abdallah A.
Japan, Kyoto
Graduate School of Medicine
Egypt, Ismailia
Faculty of Medicine
Tsujikawa, Akitaka
Japan, Kyoto
Graduate School of Medicine
Matsumoto, Akiko
Japan, Kyoto
Graduate School of Medicine
Japan, Tokyo
Topcon Corporation
Yamashiro, Kenji
Japan, Kyoto
Graduate School of Medicine
Oishi, Akio
Japan, Kyoto
Graduate School of Medicine
Ooto, Sotaro
Japan, Kyoto
Graduate School of Medicine
Nakata, Isao
Japan, Kyoto
Graduate School of Medicine
Akagi-Kurashige, Yumiko
Japan, Kyoto
Graduate School of Medicine
Miyake, Masahiro
Japan, Kyoto
Graduate School of Medicine
Elnahas, Hussein S.
Egypt, Ismailia
Faculty of Medicine
Radwan, Tarek M.
Egypt, Ismailia
Faculty of Medicine
Zaky, Khaled A.
Egypt, Ismailia
Faculty of Medicine
Yoshimura, Nagahisa
Japan, Kyoto
Graduate School of Medicine
Statistics
Citations: 135
Authors: 13
Affiliations: 3
Identifiers
Doi:
10.1016/j.ajo.2012.08.007
ISSN:
00029394
e-ISSN:
18791891
Research Areas
Health System And Policy
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative