ABCA4 and autosomal recessive cone rod dystrophy: The clinical manifestation of ABCA4-related retinopathy is variable, including autosomal recessive Stargardt’s disease (arSTGD), fundus flavimaculatus, autosomal recessive cone-rod dystrophy (arCRD) and autosomal RP (Jaakson et al., 2003; Valverde et al., 2007; Riveiro-Alvarez et al., 2013; Jiang et al., 2016).