Advances in swept-source optical coherence tomography and optical coherence tomography angiography

The fast development of swept-source optical coherence tomography (SS-OCT) and swept-source optical coherence tomography angiography (SS-OCTA) enables both anterior and posterior imaging of the eye. These techniques have evolved from a research tool to an essential clinical imaging modality. The lon...

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Bibliographic Details
Published in:Advances in ophthalmology practice and research 2023-05, Vol.3 (2), p.67-79
Main Authors: Zheng, Fang, Deng, Xiaofeng, Zhang, Qi, He, Jingliang, Ye, Panpan, Liu, Shan, Li, Peng, Zhou, Jian, Fang, Xiaoyun
Format: Article
Language:English
Subjects:
Anterior segment
Posterior segment
Review
Swept-source optical coherence tomography
Swept-source optical coherence tomography angiography
Vitreous
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Summary:The fast development of swept-source optical coherence tomography (SS-OCT) and swept-source optical coherence tomography angiography (SS-OCTA) enables both anterior and posterior imaging of the eye. These techniques have evolved from a research tool to an essential clinical imaging modality. The longer wavelength and faster speed of SS-OCT and SS-OCTA facilitate better visualization of structure and vasculature below pigmented tissue with a larger field of view of the posterior segment and 360-degree visualization of the anterior segment. In the past 10 years, algorithms dealing with OCT and OCTA data also vastly improved the image quality and enabled the automated quantification of OCT- and OCTA-derived metrics. This technology has enriched our current understanding of healthy and diseased eyes. Even though the high cost of the systems currently limited the widespread use of SS-OCT and SS-OCTA at the first beginning, the gap between research and clinic practice got obviously shortened in the past few years. SS-OCT and SS-OCTA will continue to evolve rapidly, contributing to a paradigm shift toward more widespread adoption of new imaging technology in clinical practice.
ISSN:2667-3762
2667-3762
DOI:10.1016/j.aopr.2022.10.005