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What are the odds of my child having a keyhole pupil?

The keyhole pupil is known as a coloboma.  The keyhole is formed by improper fusion of tissues of the eye during the time of development of the baby before birth.  The odds of the condition occurring depends on its cause.  There are a number of conditions that are associated with the formation of a coloboma.  If it is a condition that runs in the family, the odds can be as high as 50/50 that another child in the family may be born with the condition.  

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.