Quantitative Evaluations of Vortex Vein Ampullae by Adjusted 3D Reverse Projection Model of Ultra-widefield Fundus Images

Overview

Journal Sci Rep

Specialty Science

Date 2021 Apr 27

PMID 33903616

Citations 4

Authors

Ryoh Funatsu

Hiroto Terasaki

Hideki Shiihara

Sumihiro Kawano

Mariko Hirokawa

Yasushi Tanabe

Tomoharu Fujiwara

Yoshinori Mitamura

Taiji Sakamoto

Shozo Sonoda

Affiliations

Soon will be listed here.

Abstract

The purpose of this study was to determine the number and location of vortex vein ampullae (VVA) in normal eyes. This was an observational retrospective study. Montage images of one on-axis and two off-axis ultra-widefield images of 74 healthy eyes were enhanced, and reverse projected onto a 3D model eye. The number and distance between the optic disc to each VVA in the four sectors were compared. The significance of correlations between these values and age, sex, visual acuity, refractive error, and axial length was determined. The mean number of VVA was 8.10/eye with 1.84, 2.12, 2.19 and 1.95 in upper lateral, lower lateral, upper nasal, and lower nasal sectors, respectively. The mean number of VVA/eye was significantly greater in men at 8.43 than women at 7.76 (P = 0.025). The mean distance between the optic disc and VVA was 14.15 mm, and it was 14.04, 15.55, 13.29 and 13.66 mm in the upper lateral, lower lateral, upper nasal and lower nasal sectors, respectively (all P < 0.05). The number and location of VVA can be obtained non-invasively, and the number was significantly higher in men than women. This technique can be used to determine whether these values are altered in a retinochoroidal disease.

Citing Articles

Sex differences in choroidal vessels using novel wide-field choroidal en-face images from optical coherence tomography.

Mihara N, Funatsu R, Sonoda S, Shiihara H, Sakono T, Sakamoto T Sci Rep. 2024; 14(1):17013.

PMID: 39043834 PMC: 11266693. DOI: 10.1038/s41598-024-67671-w.

Choroidal Vortex Vein Drainage System in Central Serous Chorioretinopathy Using Ultra-Widefield Optical Coherence Tomography Angiography.

Luo Z, Xu Y, Xu K, Fan M, Tsui C, Lu X Transl Vis Sci Technol. 2023; 12(9):17.

PMID: 37738055 PMC: 10519436. DOI: 10.1167/tvst.12.9.17.

Vortex Veins in Eyes With Pachychoroid Spectrum Disorders Evaluated by the Adjusted Reverse 3-Dimensional Projection Model.

Funatsu R, Sonoda S, Terasaki H, Shiihara H, Hirokawa M, Yuanting J Ophthalmol Sci. 2023; 3(4):100320.

PMID: 37274011 PMC: 10238580. DOI: 10.1016/j.xops.2023.100320.

Sex- and Age-Dependent Wide-Field Choroidal Thickness Differences in Healthy Eyes.

Mihara N, Sonoda S, Terasaki H, Shiihara H, Sakono T, Funatsu R J Clin Med. 2023; 12(4).

PMID: 36836042 PMC: 9959021. DOI: 10.3390/jcm12041505.

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