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Using Optical Coherence Tomography and Optokinetic Response As Structural and Functional Visual System Readouts in Mice and Rats
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Artifacts in Macular Optical Coherence Tomography.

Fatemeh Bazvand1,2, Fariba Ghassemi1,2

  • 1Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Journal of Current Ophthalmology
|July 17, 2020
PubMed
Summary

This review identifies and explains various artifacts in optical coherence tomography (OCT) macular scans. Recognizing these OCT artifacts is crucial for accurate diagnosis and management of retinal disorders.

Keywords:
ArtefactArtifactsMaculaOptical coherence tomography

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Area of Science:

  • Ophthalmology
  • Medical Imaging

Background:

  • Optical coherence tomography (OCT) is a vital imaging technique in ophthalmology.
  • Artifacts in OCT scans can lead to misinterpretations and affect clinical decisions.

Purpose of the Study:

  • To comprehensively identify and explain common artifacts encountered in macular OCT imaging.
  • To enhance the understanding of OCT image quality issues.

Main Methods:

  • A systematic literature review was performed using PubMed and Google Scholar.
  • Keywords included OCT, artifacts, artefact, and macula.
  • The search covered publications from January 1995 to October 2018.

Main Results:

  • Identified artifacts include software errors, segmentation failures, mirror artifacts, motion artifacts, and image degradation.
  • A detailed list of 15 distinct OCT artifacts was compiled and described.
  • Examples include incomplete segmentation, inverted artifacts, and degraded scans.

Conclusions:

  • Macular OCT imaging is susceptible to a variety of artifacts.
  • Accurate identification of these artifacts is essential for correct interpretation of OCT scans.
  • Proper artifact recognition aids in the diagnosis and management of retinal diseases.