Branch retinal artery occlusion due to patent foramen ovale in a teenager.

This report demonstrates the diagnostic evaluation and clinical management of a 16-year-old girl who developed branch retinal artery occlusion secondary to patent foramen ovale. The goal is to increase awareness of this rare presentation in adolescents among clinicians, with a summary of the important clinical features, multimodal imaging findings and therapeutic strategies that allowed for timely reperfusion and subsequent visual recovery.