Any age-related macular degeneration in which the cause of the disease is a mutation in the HTRA1 gene. The disease is age related macular degeneration 7 (Monarch Disease Ontology term MONDO_0012419). Also known as: ARMD7, HTRA1 age-related macular degeneration, age related macular degeneration type 7, age-related macular degeneration caused by mutation in HTRA1, macular Degeneration, age-related, type 7, macular degeneration, age-related, neovascular type.