Improved SNR FFOCT retinal imaging by wavefront sensorless deformable mirror-based aberration correction

Yao Cai; Olivier Thouvenin; Viacheslav Mazlin; Claude Boccara; Kate F. Grieve; Pedro Mecê

doi:10.1117/12.2650791

17 March 2023 Improved SNR FFOCT retinal imaging by wavefront sensorless deformable mirror-based aberration correction

Yao Cai, Olivier Thouvenin, Viacheslav Mazlin, Claude Boccara, Kate F. Grieve, Pedro Mecê

Proceedings Volume PC12360, Ophthalmic Technologies XXXIII; PC123600F (2023) https://doi.org/10.1117/12.2650791
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

In this work, we implement a pupil conjugated DM-based wavefront sensorless approach in our FFOCT setup. Given the high DM stroke and precision, as well as the Zernike mode-based wavefront optimization using the high-speed DONE algorithm, we showed that higher resolution can be achieved in foveal imaging, as well as obtaining an improved SNR when imaging photoreceptors and NFL when compared to our previous work. Thanks to this SNR improvement, we were able to visualize inner retinal features not previously observed in FFOCT.

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Citation Download Citation

Yao Cai, Olivier Thouvenin, Viacheslav Mazlin, Claude Boccara, Kate F. Grieve, and Pedro Mecê "Improved SNR FFOCT retinal imaging by wavefront sensorless deformable mirror-based aberration correction", Proc. SPIE PC12360, Ophthalmic Technologies XXXIII, PC123600F (17 March 2023); https://doi.org/10.1117/12.2650791

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