3 years ago

The linear artifact in enhanced depth imaging spectral domain optical coherence tomography

Hui Xiao, Shasha Yang, Chengguo Zuo, Lan Mi, Xinxing Guo, Xing Liu
Optical coherence tomography (OCT) is a valuable ancillary test in the diagnosis and management of chorioretinal disease. The evaluation of choroid thickness using OCT has become the focus of clinical applications. We report a linear artifact that acts as a confounding factor in choroidal thickness measurements by enhanced depth imaging OCT. We found that the linear artifact is located stably at a depth of 485 μm beneath the retinal pigment epithelium in 81.88% of subjects. The study suggested that the linear artifact was a confounding factor in assessing choroidal thickness and that caution should be used in the interpretation of the choroidal thickness, especially when it is approximately 485 μm.

Publisher URL: https://www.nature.com/articles/s41598-017-08811-3

DOI: 10.1038/s41598-017-08811-3

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