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Multi-scale and -contrast sensorless adaptive optics optical coherence tomography

	author = {Myeong Jin Ju and Destiny Hsu and Ji Hoon Kwon and Daniel J. Wahl and Stefano Bonora and Yifan Jian and Shuichi Makita and Yoshiaki Yasuno and Marinko V. Sarunic},
	title = {Multi-scale and -contrast sensorless adaptive optics optical coherence tomography},
	journal = {Quantitative Imaging in Medicine and Surgery},
	volume = {9},
	number = {5},
	year = {2019},
	keywords = {},
	abstract = {Background: The roles of the retinal microvasculature and the retinal pigment epithelium (RPE) in maintaining the health and metabolic activity of the retina lend great clinical value to their high-resolution visualization.
Methods: By integrating polarization diversity detection (PDD) into multi-scale and -contrast sensorless adaptive optics optical coherence tomography (MSC-SAO-OCT), we have developed a novel multi-contrast SAO OCT system for imaging pigment in the RPE as well as flow in the retinal capillaries using OCT angiography (OCTA). Aberration correction was performed based on the image quality using transmissive deformable optical elements.
Results: MSC-SAO-OCTA imaging was performed at multiple fields-of-view (FOVs) with adjustable numerical aperture (NA). Retinal flow and RPE structural images for in vivo healthy and pathological human posterior eyes were demonstrated to show clinical feasibility of the system.
Conclusions: High-resolution imaging of retinal vasculature at both large and small FOVs, as well as characterization of RPE topology and deformation, enables more sophisticated and concise investigation of retinal pathologies for in vivo human imaging. MSC imaging may permit detection and analysis of even subtle deformations in the RPE layer using a single instrument.},
	issn = {2223-4306},	url = {}