In the 8 DLB patients with variants in any of the three CDH23 locations (rs181275139, rs563688802, and rs137937502), visual hallucinations were present in 62.5% (n = 5), Parkinsonism in 37.5% (n = 3), fluctuation in 37.5% (n = 3), and RBD in 12.5% (n = 1), (Fig. 1a and Supplementary Table 4). Here, CDH23 is linked to Lewy body dementia.