PDE6B and retinitis pigmentosa 1: For example, Eisenberger et al.24 described RP1 (MIM: 603937) (11.3%) and EYS (MIM: 612424) (9.4%) as the most frequent genes in German patients with AR-RP, and Kim et al.22 detected that EYS (22%) and PDE6B (MIM: 180072) (17%) are most frequently involved in AR-RP in Korean patients.