Retinitis Pigmentosa 13, also known as rp13, is related to retinitis pigmentosa 11 and retinitis pigmentosa 31. An important gene associated with Retinitis Pigmentosa 13 is PRPF8 (Pre-MRNA Processing Factor 8), and among its related pathways/superpathways are Processing of Capped Intron-Containing Pre-mRNA and mRNA Splicing - Minor Pathway. Affiliated tissues include retina and eye, and related phenotypes are nyctalopia and cystoid macular edema