Assessment of Eye Length Changes in Accommodation Using Dynamic Extended-depth OCT

Overview

Journal Biomed Opt Express

Specialty Radiology

Date 2017 Jul 1

PMID 28663900

Citations 4

Authors

Yu-Cherng Chang

Keke Liu

Carolina de Freitas

Alex Pham

Florence Cabot

Siobhan Williams

Ethan Adre

Giovanni Gregori

Marco Ruggeri

Sonia H Yoo

Arthur Ho

Jean-Marie Parel

Fabrice Manns

Affiliations

Soon will be listed here.

Abstract

It has been suggested that accommodation induces increases in axial eye length which could contribute to the development of myopia. However, it is debated whether changes in eye length occur during accommodation as the degree of change varies widely across literature. In this study, an extended-depth optical coherence tomography (OCT) system that provides dynamic whole eye biometry was utilized to assess changes in lens thickness (LT) and axial eye length (AEL) in young subjects responding to step disaccommodation stimuli of amplitude 2D, 4D, and 6D. The decrease in lens thickness with disaccommodation was strongly correlated with stimulus amplitude. No statistically significant changes in AEL during accommodation were observed.

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