Full-field OCT method and system for generating an imaging of an ocular fundus

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United States of America Patent

PATENT NO 11986242
APP PUB NO 20210038074A1
SERIAL NO

16965206

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Abstract

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The invention relates to a full-field OCT method for generating an imaging of an ocular fundus (31), in which short-coherent light (22) is emitted and split into an object beam path (25) and a reference beam path (24). The object beam path (25) is directed onto the ocular fundus (33). The reference beam path (24) and a portion of the object beam path (25) reflected by the ocular fundus (31) are directed onto an image sensor (32), such that an interference between the reference beam path (24) and the object beam path (25) occurs on the image sensor (32), wherein the reference beam path (24) impinges on the image sensor (32) at an angle deviating from the object beam path (25). Before impinging on the image sensor (32), the reference beam path (24) impinges on an optical correction element (27) in order to reduce a chromatic aberration within the reference beam path (24). Intensity information and phase information is determined from a capturing of the image sensor. A focus-adjusted image of the ocular fundus is calculated. The invention also relates to a system that is suitable for carrying out said method. Images of the ocular fundus can be captured without the beam path being previously adapted to the refractive power of the eye lens.

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Patent Owner(s)

Patent OwnerAddress
THORLABS GMBHGAUSS-STRASSE 11 KARLSFELD D-85757
MEDIZINISCHES LASERZENTRUM LÜBECK GMBH PATENTABTEILUNGPETER-MONNIK-WEG 4 LÜBECK 23562

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hüttmann, Gereon Lübeck, DE 5 19
Hillmann, Dierck Lübeck, DE 8 28
Koch, Peter Lübeck, DE 84 1199
Münst, Michael Lübeck, DE 2 0
Spahr, Hendrik Lübeck, DE 3 3
Sudkamp, Helge Lübeck, DE 6 20

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