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Updated: Feb 10, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
Published on: August 4, 2018
Strip-Scanning for Efficient Widefield Retinal OCTA Mosaicking
Jacob J Watson1, Yuankai K Tao1
1Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA.
Purpose:
A novel strip-scanning method for optical coherence tomography angiography (OCTA) is presented and its utility is demonstrated for efficient widefield OCTA mosaicking.
Methods:
An analytical expression for strip-scanned OCTA mosaicking efficiency is derived. Strip-scanned OCTA with simultaneous retinal tracking is used for multi-volume motion-corrected OCTA mosaicking at capillary resolution.
Results:
As the mosaic field-of-view increases, strip-scanning reduces OCTA mosaicking workload by asymptotically achieving a two-fold gain in mosaicking efficiency and by scaling pairwise registrations linearly. Motion-corrected widefield retinal OCTA mosaicking at capillary resolution is demonstrated across a 35-degree × 45-degree field-of-view using strip-scanned OCTA.
Conclusions:
Strip-scanned OCTA improves widefield OCTA mosaicking efficiency.
Translational Relevance:
Strip-scanning increases OCTA mosaicking efficiency for visualizing capillaries across wide fields-of-view to aid in retinal vascular disease detection and monitoring.
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