OCA2 and autosomal recessive ocular albinism: Autosomal recessive ocular albinism (AROA) is a term that has been used for patients with albinism with an ocular phenotype caused by mutations in TYR, OCA2, TYRP, SLC45A2, SLC24A5, or LRMDA (OCA1-7), but without a clearly defined boundary between calling a phenotype OCA or AROA.