RecruitingMicrophthalmia, Anophthalmia, and Coloboma Genetic Epidemiology in ChildrenThe investigators are inviting families to take part in a research study that will help us better understand the physical characteristics associated with children who have Microphthalmia, Anophthalmia, and Coloboma (MAC) and how changes in their DNA sequence, called genetic mutations, play a role in the risk of developing MAC