Aniridia: for patients Aniridia is a rare birth eye defect characterised by an under-developed or absent iris (no eye colour). It can be associated with WAGR syndrome, increasing the risk of developing Wilms tumour.
Aniridia: for professionals Aniridia is a a pan-ocular bilateral congenital eye anomaly characterised by complete or partial iris hypoplasia, foveal hypoplasia and early-onset nystagmus. Patients with WT1 deletion are at risk of developing Wilms tumour.