Macular Dystrophy, Patterned, 3, also known as martinique crinkled retinal pigment epitheliopathy, is related to contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a and fundus dystrophy. An important gene associated with Macular Dystrophy, Patterned, 3 is MAPKAPK3 (MAPK Activated Protein Kinase 3). Affiliated tissues include retina and eye, and related phenotypes are choroidal neovascularization and reduced visual acuity