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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Am J Ophthalmol. 2020 Apr 28;218:214–224. doi: 10.1016/j.ajo.2020.04.019

FIGURE 4.

FIGURE 4.

Principal component analysis revealed that 5 key measurements retinal nerve fiber layer (RNFL), ganglion cell complex (GCC), peripapillary vessel area density (VAD), macular vessel density (VD), and macular flux were most informative for segregating eyes with no visual field loss (circle) from those with mild (triangle) or moderate/severe visual field loss (square). In addition, buried ODD eyes (tan color) mostly had no visual field loss (circle), while the superficial ODD eyes (green color) mostly had mild, moderate/severe visual field loss (triangle or square). Abbreviations: Ave = average; Disc = optic disc; GCC = ganglion cell complex; Mac = macular; mod/severe = moderate to severe; PC = principal component; RNFL = retinal nerve fiber layer; VAD = vessel area density; VD = vessel diameter.