Any vitelliform macular dystrophy in which the cause of the disease is a mutation in the IMPG2 gene. The disease is Monarch Disease Ontology entry MONDO_0014509 (vitelliform macular dystrophy 5). Also known as: IMPG2 vitelliform macular dystrophy, macular dystrophy, vitelliform, 5, macular dystrophy, vitelliform, type 5, vitelliform macular dystrophy caused by mutation in IMPG2.