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REVIEW ARTICLE
Year : 2020  |  Volume : 32  |  Issue : 2  |  Page : 123-131

Artifacts in macular optical coherence tomography


Eye Research Center, Farabi Eye Hospital; Retina and Vitreous Service, Department of Ophthalmology, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran

Correspondence Address:
Fariba Ghassemi
Retina and Vitreous Service, Department of Ophthalmology, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran and Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran, Zip Code: 1336616351
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JOCO.JOCO_83_20

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Purpose: To identify and explain different artifacts in macular optical coherence tomography (OCT). Methods: For this comprehensive review, a PubMed and Google Scholar (January 1995–October 2018) search was conducted by the researchers, using the keywords such as OCT, artifacts, artefact, and macula. Results: We reviewed the main OCT artifacts including software break-down or misidentification of retinal layers, incomplete segmentation error, complete segmentation failure, mirror artifact (inverted artifact), cut edge artifact, degraded image scan, out-of-register artifact, off-center artifact, motion artifact, foveal duplication, segmentation shift, blink artifact, static or fixed image artifact, linear artifact, and perfluorocarbon liquid-producing artifact. Conclusions: There are various artifacts in OCT image scans. The identification of these artifacts may help in accurate interpretations of OCT images in clinical settings that can affect the diagnosis and management of different retinal disorders.


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