Microphthalmia/coloboma and Skeletal Dysplasia Syndrome, also known as colobomatous microphthalmia-rhizomelic dysplasia syndrome, is related to coloboma of macula and microphthalmia. An important gene associated with Microphthalmia/coloboma and Skeletal Dysplasia Syndrome is MAB21L2 (Mab-21 Like 2). Affiliated tissues include eye and bone, and related phenotypes are coloboma and macrocephaly