has material basis in germline mutation in disease has feature RP1L1 Visual loss Macular degeneration macular degeneration occult macular dystrophy https://www.malacards.org/card/occult_macular_dystrophy OCMD DOID:0050578 GARD:0017200 UMLS:C3150833 MONDO:0013316 MEDGEN:462183 Occult macular dystrophy is a rare, genetic retinal dystrophy disease characterized by bilateral progressive decline of visual acuity, due to retinal dysfunction confined only to the macula, associated with normal fundus and fluorescein angiograms and severely attenuated focal macular and multifocal electroretinograms. OMD NANDO:1200934 OMIM:613587 icd11.foundation:863463706 occult macular dystrophy Orphanet:247834 hereditary macular dystrophy