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In This Issue of JAMA Ophthalmology
February 2020


JAMA Ophthalmol. 2020;138(2):111. doi:10.1001/jamaophthalmol.2019.3836

Holmen and coauthors determine the frequency of artifacts in optical coherence tomography angiography (OCTA) images and how these artifacts are identified. In a cross-sectional study that included 406 OCTA images of eyes with diabetic retinopathy, the prevalence of artifacts was 53.5%, with shadow, defocus, and movement seen as the most common artifacts. Proprietary quality indices commonly used for identifying unreliable images had a high sensitivity (99%) but low specificity (37% to 41%). The results of this study suggest that knowledge of OCTA artifacts may be important in accurately interpreting these images for patient care and in clinical trials.

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