RGD uses the Human Disease Ontology (DO, https://disease-ontology.org/) for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.
A retinal degeneration that is characterized by crystals in the cornea, shiny deposits on the retina and progressive atrophy of the retina, choriocapillaris and choroid, has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the CYP4V2 gene on chromosome 4q35. (DO)
ClinVar Annotator: match by term: Bietti crystalline corneoretinal dystrophy | ClinVar Annotator: match by term: Bietti tapetoretinal degeneration with marginal corneal dystrophy
CTD Direct Evidence: marker/mechanism OMIM:210370 ClinVar Annotator: match by term: Bietti crystalline corneoretinal dystrophy | ClinVar Annotator: match by term: CYP4V2-related disorder