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Assessment of eye length changes in accommodation using dynamic extended-depth OCT

Posted on 2017-04-28 - 19:27
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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Biomedical Optics Express

AUTHORS (13)

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
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