has material basis in germline mutation in RP1L1 retinitis pigmentosa retinitis pigmentosa 88 https://www.malacards.org/card/retinitis_pigmentosa_88 RP88 UMLS:C5394208 GARD:0016385 OMIM:618826 MEDGEN:1720448 MONDO:0032940 DOID:0112145