These subtypes are named OCA type 1–8 and are associated with the following genes in respective order: TYR, OCA2 (P gene), TYRP1, SLC45A2, OCA5, SLC24A5, C10ORF11, and DCT (TYRP2) (OMIM®, An Online Catalog of Human Genes and Genetic Disorders; http://www.omim.org; accessed on 3 May 2023). This evidence concerns the gene DCT and hereditary disease.