Hyperreflective foci in the choroid of normal eyes
- Authors
- Kim, Young Ho; Oh, Jaeryung
- Issue Date
- 3월-2022
- Publisher
- SPRINGER
- Keywords
- Choriocapillaris; Choroid; Choroidal vascularity; Fundus tessellation; Hyperreflective foci; Swept-source optical coherence tomography
- Citation
- GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY, v.260, no.3, pp.759 - 769
- Indexed
- SCIE
SCOPUS
- Journal Title
- GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY
- Volume
- 260
- Number
- 3
- Start Page
- 759
- End Page
- 769
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/142321
- DOI
- 10.1007/s00417-021-05469-6
- ISSN
- 0721-832X
- Abstract
- Purpose To investigate hyperreflective choroidal foci (HCF) using en face swept-source optical coherence tomography (SS-OCT) and determine the factors that contribute to the distribution of HCF in normal eyes. Methods In this retrospective study, we included healthy eyes with a normal fundus. HCF were defined as hyperreflective spots on en face SS-OCT images. The number, mean area, total area, and circularity of the HCF were compared with various choroid measurements obtained using SS-OCT, SS-OCT angiography, and fundus photography. Results We investigated 51 eyes from 51 patients. The mean patient age was 56.0 +/- 14.7 years, and 32 (62.7%) were female. The number and total area of HCF did not differ between the female and male patients and the right and left eyes. The number of HCF was correlated with the stromal area of the choroid (r = 0.291, P = 0.040) and subfoveal choroidal vascularity index (r = - 0.364, P = 0.009). The total area of HCF was correlated with the stromal area of the choroid (r = 0.283, P = 0.045). However, the number and total area of HCF were not correlated with age, degree of macular tessellation, subfoveal choroidal thickness, and choriocapillaris vascular density and flow void area. Conclusion HCF were observed in normal eyes, and their distribution was associated with the underlying stromal component of the choroid. The results of this study can be used as a reference for determining abnormal hyperreflective foci in the choroid of the eyes with various diseases.
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