Spontaneous Retinal Artery Pulses (SPARs) as a Prognostic Determinant of Central Retinal Vein Occlusions (CRVO) in Patients With or Without Intravitreal Aflibercept Injections

"As part of routine care : OCT-B (Optical coherence tomography-B), OCT-angiography (Optical coherence tomography and fluorescein angiography after pupillary dilatation (at inclusion only)~Added by the study :~* Assessment of best corrected visual acuity in letters read and validated using the ETDRS scale ;~* The shooting of a 10 second infrared movie by the Heidelberg Spectralis device centered on the head of the optic nerve (at inclusion only)~* A measurement of the eye tension with an air tonometer (at inclusion only)~* A blood pressure measurement (diastolic and systolic) and pulse measurement (at inclusion only)~* A color retinophotography (Optos) with autofluorescence images~* A color Doppler ultrasound of the optic nerve of both eyes will be performed, for patients treated at the Foundation A de Rothschild Hospital only."

For patients requiring intravitreal injection