Macular Degeneration, Age-Related, 12, also known as age related macular degeneration 12, is related to macular degeneration, age-related, 1 and kuhnt-junius degeneration. An important gene associated with Macular Degeneration, Age-Related, 12 is CX3CR1 (C-X3-C Motif Chemokine Receptor 1). Affiliated tissues include eye.