Macular Degeneration, Age-Related, 13, also known as age related macular degeneration 13, is related to palmoplantar keratoderma, nonepidermolytic, focal 1 and palmoplantar keratoderma, epidermolytic, 1. An important gene associated with Macular Degeneration, Age-Related, 13 is CFI (Complement Factor I), and among its related pathways/superpathways are Keratinization and Immune response Lectin induced complement pathway. Affiliated tissues include retina and eye, and related phenotypes are choroidal neovascularization and progressive visual loss