CRB1 and retinal disorder: Models that mimic mild retinopathies include the Crb1-knockout (Crb1−/−) mouse, the Crb1C249W/− knock-in mouse, the naturally occurring Crb1rd8 mouse, and the Müller glial cell-specific Crb2PdgfrαCre knockout mouse (Mehalow et al., 2003; van de Pavert et al., 2004, 2007b; Alves et al., 2014a).