Butterfly-Shaped Pigment Dystrophy, also known as butterfly-shaped pigmentary macular dystrophy, is related to macular dystrophy, patterned, 2 and macular dystrophy, patterned, 1. An important gene associated with Butterfly-Shaped Pigment Dystrophy is CTNNA1 (Catenin Alpha 1). Affiliated tissues include eye and retina, and related phenotypes are pigmentation and vision/eye