Any age-related macular degeneration in which the cause of the disease is a mutation in the CST3 gene. The disease is age related macular degeneration 11 (Monarch Disease Ontology term MONDO_0012767). Also known as: ARMD11, CST3 age-related macular degeneration, age related macular degeneration type 11, age-related macular degeneration caused by mutation in CST3, macular Degeneration, age-related, type 11.