Preterm Infants REtinalMicrovascular Alterations by Means of OCT Angiography

Inclusion Criteria: Premature group: \- Any child aged 5 to 15 years born before or at 28 SA (with or without BPD), followed or not at the Creteil's hospital intercommunal Control group: * Any child aged 5 to 15 years born ≥ 38SA, consulting ophthalmology at the Creteil 's hospital intercommunal. * Acceptance to participate in the protocol * Child living near the Creteil's intercommunal hospital * Affiliated to a social security system Exclusion Criteria: all groups * Neurobehavioral disorder or psychomotor delay that does not allow the examination to be performed * Presence of a POR with zone I involvement or having received IVT of anti-VEGF (as it may directly modify the OCT-A parameters) * Pre-existing retinal pathology: macular scarring of any etiology, retinal vascular alterations such as sickle cell disease, diabetes. * Pre-existing optic nerve pathologies: glaucoma, coloboma, tumors. * Chronic respiratory pathologies other than BPD (i.e. not associated with prematurity): cystic fibrosis, DDB... * General pathology unrelated to prematurity that may have a retinal impact: e.g. respiratory diseases other than BPD * Participation in an interventional study in ophthalmology * A history of hyperthermic convulsions in infants or epilepsy, which contraindicates the use of eye drops.