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Bar plot showing the brightness and contrast of ex vivo images from patients that were redosed with fluorescein sodium. The mean brightness (77.8 [19.9]) and contrast (30.9 [7.5]) are inferior to those from the in vivo study. Values are reported in optical density units defined by Fiji software. Asterisk indicates p < 0.001. Used with permission from Barrow Neurological Institute, Phoenix, Arizona.
