Abstract

In this Letter, we propose a way to better understand the impact of dynamic ocular aberrations in the axial resolution of nonconfocal adaptive optics (AO) ophthalmoscopes via a simulation of the 3D PSF in the retina for various AO-loop rates. We then use optical incoherence tomography, a method enabling the generation of tomographic retinal cross sections in incoherent imaging systems, to evaluate the benefits of a fast AO-loop rate on axial resolution and, consequently, on AO-corrected retinal image quality. We used the PARIS AO flood-illumination ophthalmoscope for this study, where retinal images from different focal planes at an AO-loop rate of 10 and 50 Hz were acquired.

© 2019 Optical Society of America

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References

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Supplementary Material (2)

NameDescription
» Visualization 1       Animation depicting the OIT "A-scan" and "B-scan" procedure in detail.
» Visualization 2       AO-corrected axial PSF temporal variation for various AO-loop rates. Display frequency = 20 Hz. Axial resolution values are given as a multiple of the theoretical diffraction limited resolution.

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