Aniridia

**Definition:** A congenital abnormality in which there is only a rudimentary iris. This is due to the failure of the optic cup to grow. Aniridia also occurs in a hereditary form, usually autosomal dominant.

**Tree numbers:** - C11.250.060 - C11.270.060 - C11.941.375.060 - C16.131.384.079 - C16.320.290.078

**Synonyms:** - Absent Iris - Congenital Aniridia - Irideremia