Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13195-019-0516-x/MediaObjects/13195_2019_516_Fig2_HTML.png)
Peripapillary retinal nerve fiber layer thickness. Peripapillary retinal nerve fiber layer (pRNFL) thickness in μm in posterior cortical atrophy (PCA, n = 25, red), typical Alzheimer’s disease (tAD, n = 23, blue) and controls (n = 70, green) (means and SD) in a TSNIT plot showing pRNFL thickness in different sectors (temporal, superior, nasal, inferior)