Eye tracking with off-axis full-field OCT by local analysis of recorded interferograms

Michel Wunderlich; Peter Koch; Helge M. Sudkamp; Michael Münst; Malte vom Endt; Moritz Moltmann; Gereon Hüttmann

doi:10.1117/12.2583030

Eye tracking with off-axis full-field OCT by local analysis of recorded interferograms

Michel Wunderlich, Peter Koch, Helge M. Sudkamp, Michael Münst, Malte vom Endt, Moritz Moltmann, Gereon Hüttmann

Abstract

Off-axis full-field OCT is intended to enable cost-effective imaging of the retina for home diagnosis. Different to common FD-OCT systems, the lateral field of view is acquired in a single shot and the different axial layers are acquired sequentially. During acquisition, motion of the eye results in motion artifacts and misaligned layers. We present a method to track the axial and lateral position of the retina by analyzing the angle and divergence of the backscattered light with a lateral precision of 3.6 µm and an axial precision of 29 µm. This information can be used to correct motion induced errors.

Originalsprache	Englisch
DOIs	https://doi.org/10.1117/12.2583030
Publikationsstatus	Veröffentlicht - 04.03.2021

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3.23-01 Optik, Quantenoptik und Physik der Atome, Moleküle und Plasmen

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10.1117/12.2583030

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abstract = "Off-axis full-field OCT is intended to enable cost-effective imaging of the retina for home diagnosis. Different to common FD-OCT systems, the lateral field of view is acquired in a single shot and the different axial layers are acquired sequentially. During acquisition, motion of the eye results in motion artifacts and misaligned layers. We present a method to track the axial and lateral position of the retina by analyzing the angle and divergence of the backscattered light with a lateral precision of 3.6 µm and an axial precision of 29 µm. This information can be used to correct motion induced errors.",

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AU - Koch, Peter

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AU - Münst, Michael

AU - vom Endt, Malte

AU - Moltmann, Moritz

AU - Hüttmann, Gereon

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N2 - Off-axis full-field OCT is intended to enable cost-effective imaging of the retina for home diagnosis. Different to common FD-OCT systems, the lateral field of view is acquired in a single shot and the different axial layers are acquired sequentially. During acquisition, motion of the eye results in motion artifacts and misaligned layers. We present a method to track the axial and lateral position of the retina by analyzing the angle and divergence of the backscattered light with a lateral precision of 3.6 µm and an axial precision of 29 µm. This information can be used to correct motion induced errors.

AB - Off-axis full-field OCT is intended to enable cost-effective imaging of the retina for home diagnosis. Different to common FD-OCT systems, the lateral field of view is acquired in a single shot and the different axial layers are acquired sequentially. During acquisition, motion of the eye results in motion artifacts and misaligned layers. We present a method to track the axial and lateral position of the retina by analyzing the angle and divergence of the backscattered light with a lateral precision of 3.6 µm and an axial precision of 29 µm. This information can be used to correct motion induced errors.

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Eye tracking with off-axis full-field OCT by local analysis of recorded interferograms

Abstract

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