Introduction: Retinal vein occlusion is usually encountered in the elderly and is often associated with systemic vascular disease. It is rarer in young subjects and requires a serious etiological search to best adapt the treatment.
Observation: We report the case of a central retinal vein occlusion (CRVO) in a 26-year-old patient who had no pathological history, discovered at a sudden decline of vision in the right eye, reduced to light perception. Fundus examination and retinal angiography showed an edematous CRVO. Radiologic imaging revealed a narrowing of the right carotid canal, probably congenital, and a reduction in the size of the right common carotid artery and internal carotid artery. Progression was favorable without treatment, and visual acuity improved to 8/10.
Conclusion: The etiological investigation in retinal vein occlusion in young people must be exhaustive. The visual prognosis is variable and may depend on the etiology.
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