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. 2020 Jul 14;12:73–87. doi: 10.2147/EB.S193026

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© 2020 Tsokolas et al.

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Left Side: Disc OCT-A of a healthy control subject. Right side: Disc OCT-A of an optic neuritis disc showing reduced density of the optic nerve head blood vessel network. This implies reduced blood flow on the optic nerve head.

Notes: Red solid lines indicate the ONH area that was used for the relevant flow index calculations. Copyright © 2014. BMJ Publishing Group Limited. Modified from Wang X, Jia Y, Spain R, et al. Optical coherence tomography angiography of optic nerve head and parafovea in multiple sclerosis. Br J Ophthalmol. 2014;98:1368–1373.¹⁷