Comparison of the Healing Properties on Corneal Cells of Groth Factor-enriched Plasma and Autologous Serum From Aniridia Patients

Inclusion Criteria: For patients with aniridia: * With aniridia * Patient weighing more than 43 kg * If the patient is being treated with autologous serum, a delay of 8 weeks after the last blood collection * If a blood donation has been made, a delay of 8 weeks must be respected after the last donation For controls: * Non-aniridia (no clinical signs) * Weighing more than 43 kg * Matched to a case for sex and age +/-10 years * No known diabetes * If a blood donation has been made, a delay of 8 weeks must be respected after the latter Exclusion Criteria: * Insufficient sample volume * No conjunctival print * HBV, HCV, HIV serology positive * Aniridia not genetically confirmed for cases For each patient excluded, a new patient will be included in order to maintain the number of patients required for data analysis.