Sudden bilateral vision loss: a case report of frosted branch angiitis following pentavalent vaccination in a 2-year-old boy.

Background: Frosted branch angiitis (FBA) is a rare form of retinal vasculitis that can lead to significant vision loss. This case report presents a unique case of idiopathic FBA in a 2-year-old boy following pentavalent vaccination.

Case Presentation: A previously healthy 2-year-old Emirati boy presented with sudden painless bilateral vision loss for one day.