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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Ophthalmology. 2012 Dec 12;120(4):736–744. doi: 10.1016/j.ophtha.2012.09.039

Figure 4.

Figure 4

Grayscale and pattern deviation plots for the visual fields for one of the glaucomatous eyes in the study. The normal baseline visual field is shown along with the 3 consecutive abnormal visual fields during follow-up. The remaining normal visual fields between baseline and first abnormal field were omitted. Estimates of retinal ganglion cell (RGC) counts were calculated using data from the first abnormal visual field (6/10/2011) and from the spectral domain optical coherence tomography (07/09/2011). The eye had an estimated RGC count of 520950 cells at the time of development of the initial visual field defect on standard automated perimetry (SAP), corresponding to 43% RGC loss compared to the healthy group. This is in agreement with extensive neuroretinal rim loss seen on the optic disc photograph.