Widefield Choroidal Thickness of Eyes with Central Serous Chorioretinopathy Examined by Swept-Source OCT

被引:24
作者
Ishikura, Masaharu [1 ]
Muraoka, Yuki [1 ]
Nishigori, Naomi [1 ]
Takahashi, Ayako [1 ]
Miyake, Masahiro [1 ]
Ueda-Arakawa, Naoko [1 ]
Miyata, Manabu [1 ]
Ooto, Sotaro [1 ]
Tsujikawa, Akitaka [1 ]
机构
[1] Kyoto Univ, Dept Ophthalmol, Grad Sch Med, Sakyo Ku, Kyoto 6068507, Japan
来源
OPHTHALMOLOGY RETINA | 2022年 / 6卷 / 10期
关键词
OPTICAL COHERENCE TOMOGRAPHY; VORTEX VEINS; ASSOCIATION;
D O I
10.1016/j.oret.2022.04.011
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Purpose: To examine widefield (WF) changes in the choroidal thickness of eyes with central serous cho-rioretinopathy (CSC). Design: An observational study. Participants: Twenty-two patients (20 men and 2 women) with treatment-naive unilateral CSC and 28 normal eyes of 28 age-matched, healthy participants (21 men and 7 women). Methods: We performed enhanced depth imaging of swept-source (SS) OCT with a viewing angle of vertical 20 mm x horizontal 23 mm. Moreover, we developed a grid consisting of 9 subfields, with diameters of 3, 9, and 18 mm; the inner and outer rings were enclosed by circles with diameters of 3 and 9 mm and 9 and 18 mm, respectively, which were divided into 4 subfields-superotemporal, inferotemporal, superonasal, and inferonasal. Main Outcome Measures: Widefield changes in choroidal thickness. Results: The mean duration from the presumed onset of CSC was 6.8 +/- 3.1 months during the examination. Compared with that in normal eyes, the choroidal thickness in eyes of patients with CSC was significantly greater in all subfields (P < 0.020 for fellow eyes; P < 0.001 for eyes with CSC). Compared with that in fellow eyes, the choroidal thicknesses in eyes of patients with CSC were significantly greater, except for the outer superotemporal and inferonasal subfields (P < 0.001 for all inner subfields; P < 0.001 for the outer superonasal and inferotemporal subfields). In areas with dilated vortex veins, choroidal thickening was observed from the vicinity of the vortex vein ampulla to the macula along the course of the veins. Choroidal thickening on the dominant side was significantly greater than that on the nondominant side (P = 0.015 for the nasal subfield of the inner ring; P = 0.003 and P < 0.001 for the temporal subfields of the inner and outer rings, respectively). Conclusions: Enhanced depth imaging of SS-OCT facilitated the analysis of WF changes in choroidal thickness in both healthy patients and patients with CSC. The local factors of the affected vortex vein and systemic risk factors may be involved in the pathogenesis of CSC. (C) 2022 by the American Academy of Ophthalmology.
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收藏
页码:949 / 956
页数:8
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