Journal of Ophthalmic and Vision Research
ISSN: 2008-322X
The latest research in clinical ophthalmology and vision science
Artifacts in Optical Coherence Tomography Angiography
Published date: Apr 29 2021
Journal Title: Journal of Ophthalmic and Vision Research
Issue title: April–June 2021, Volume 16, Issue 2
Pages: 271 - 286
Authors:
Abstract:
We performed a comprehensive search of the published literature in PubMed and Google Scholar to identify types, prevalence, etiology, clinical impact, and current methods for correction of various artifacts in optical coherence tomography angiography (OCTA) images. We found that the prevalence of OCTA image artifacts is fairly high. Artifacts associated with eye motion, misidentification of retinal layers, projections, and low optical coherence tomography signal are the most prevalent types. Artifacts in OCTA images are the major limitations of this diagnostic modality in clinical practice and identification of these artifacts and measures to mitigate them are essential for correct diagnosis and follow-up of patients.
Keywords: Artifact, Artefact, Capillary Plexus, Image Quality, Optical Coherence Tomography Angiography, Projection, Segmentation, Vessel Density
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