Central Retinal Vein Occlusion (CRVO) - Slit Lamp Ocular Examination Optociliary vessels and vessel tortuosity in a patient with a history of central retinal vein thrombosis. Dr. Sebastian Vega @oftalmopo #CRVO #Central #Retinal #Vein #Occlusion #Retina #Ocular #PhysicalExam #clinical #video #ophthalmology #SlitLamp