Extending field-of-view of high-resolution retinal optical coherence tomography imaging using Lissajous scan with slow drift

Shuichi Makita; Shinnosuke Azuma; Satoshi Mino; Tatsuya Yamaguchi; Masahiro Miura; Yoshiaki Yasuno

doi:10.1117/12.2576743

5 March 2021 Extending field-of-view of high-resolution retinal optical coherence tomography imaging using Lissajous scan with slow drift

Shuichi Makita, Shinnosuke Azuma, Satoshi Mino, Tatsuya Yamaguchi, Masahiro Miura, Yoshiaki Yasuno

Author Affiliations +

Proceedings Volume 11623, Ophthalmic Technologies XXXI; 116231I (2021) https://doi.org/10.1117/12.2576743
Event: SPIE BiOS, 2021, Online Only

Abstract

Increasing the field of view (FOV) of optical coherence tomography (OCT) for the high-resolution posterior eye imaging with a continuous scan is demonstrated. The combination of a Lissajous trajectory, which is designed for high-resolution imaging, and a slow drift was applied to scan the probing beam. The FOV is increased as the slow drift progresses. The motion artifacts are suppressed by motion estimation and correction in post-processing. The high-resolution, motion-free OCT and OCT angiography imaging with a FOV of over 6.75 mm is achieved.

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Shuichi Makita, Shinnosuke Azuma, Satoshi Mino, Tatsuya Yamaguchi, Masahiro Miura, and Yoshiaki Yasuno "Extending field-of-view of high-resolution retinal optical coherence tomography imaging using Lissajous scan with slow drift", Proc. SPIE 11623, Ophthalmic Technologies XXXI, 116231I (5 March 2021); https://doi.org/10.1117/12.2576743

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