Moreover, since we first compiled the list of RDG (January 2015), 10 new genes have been found to cause retinal diseases according to the RetNet database (ATF6, DRAM2, HGSNAT, IFT172, LAMA1, NEUROD1, POC1B, PRPS1, SPP2, KIZ). The gene discussed is SPP2; the disease is Abnormal retinal morphology.