MAPT and Schnyder corneal dystrophy: A secondary analysis, splitting the symptomatic group into SCD and MCI, showed Aβ/P-tau+ related to poorer memory both in female SCD (p = 0.02) and MCI (p < 0.001) and in male SCD (p = 0.057) and MCI (p = 0.006) (see Additional file 1: Figure S1).