These differences in clinical severity were consistent with the distinct molecular mechanisms of RP1L1-retinopathy, CRX-retinopathy, and GUCY2D-retinopathy [63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83]. The gene discussed is CRX; the disease is retinal disorder.