Corneal Irregularity and Visual Function Using Anterior Segment Optical Coherence Tomography in TGFBI Corneal Dystrophy

Overview

Journal Sci Rep

Specialty Science

Date 2022 Aug 12

PMID 35962009

Authors

Yuito Abe

Takashi Omoto

Kohdai Kitamoto

Tetsuya Toyono

Junko Yoshida

Ryo Asaoka

Satoru Yamagami

Takashi Miyai

Tomohiko Usui

Affiliations

Soon will be listed here.

Abstract

The purpose of this study was to evaluate corneal irregular astigmatism of patients with granular and lattice corneal dystrophy (GCD and LCD). 70 GCD, 35 LCD, and 81 control eyes were included. Anterior and posterior corneal topographic data obtained from anterior segment optical coherence tomography were expanded into four components via Fourier harmonic analysis. These components were compared with healthy eyes and the association between each component and best-corrected visual acuity (BCVA) was investigated. Anterior and posterior components increased in both GCD and LCD eyes. Anterior and posterior components of GCD2, anterior of LCD type 1 (LCD1), posterior of LCD type IIIA (LCD 3A), and type IV (LCD4) significantly increased. BCVA was significantly associated with anterior and posterior components in LCD eyes but not in GCD. The anterior components of LCD1, anterior and posterior of LCD3A, and posterior of LCD4 , were positively correlated with BCVA. As conclusions, in GCD eyes, anterior and posterior components differed from those of the control but BCVA was not significantly associated with them. In LCD eyes, the anterior and posterior components increased, and BCVA was significantly associated with the anterior and posterior components.

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