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. 2021 Jul 19;11(7):1291. doi: 10.3390/diagnostics11071291

Figure 7.

Figure 7

Progression of retinal disease as followed by optical coherence tomography (x axis indicates distance from fovea (=0); y axis indicates thickness of retina in microns). Early disease (green line) features thickening of the retina (and to a lesser degree the fovea). In late disease (yellow line) there is diffuse thinning except in the fovea; foveal thickness remains comparable to normal (purple line) (from Ophthalmic Surg Lasers Imaging 2012; 43-suppl S25–31).