Primary congenital glaucoma presenting with infantile nystagmus: a case report

Acute-onset nystagmus in pediatric patients is a rare but concerningpresentation encountered in emergency departments.The differential diagnosis for pediatric nystagmus is broad.However, the appropriate work-up can lead to early recognitionof acute pathology and better long-term prognosis. Thiscase involves an isolated positional nystagmus in an infantwho was subsequently diagnosed with primary congenitalglaucoma, illustrating a rare presentation of the infantile condition.This case report may help increase emergency medicineproviders’ awareness of the differential diagnosis andassociated red-flag symptoms of pediatric nystagmus, facilitatingappropriate evaluation and expedited diagnosis.