Of note, the patient with IMPG1 in our cohort with the c.2294T>C p.(Phe765Ser) variant had a PD phenotype different from the sectoral RP phenotype reported in Yuan et al.’s publication regarding a patient with the nearby p.(Leu740Phe), located near the EGF like domain. This evidence concerns the gene IMPG1 and retinitis pigmentosa 1.