Epidemiology of Intermediate Uveitis.

Intermediate uveitis is defined as inflammation of the vitreous and pars planitis. Etiology can be infectious, associated with a systemic disease, neoplastic or idiopathic. Pars planitis is the term used for idiopathic intermediate uveitis that presents with snowballs and snowbanks. While relatively rare, intermediate uveitis is present globally and typically affects adult females. Awareness of the presentation and a dilated fundus examination in patients presenting with floaters is essential to the diagnosis. PCR testing has enhanced the ability to diagnose infectious and neoplastic conditions that masquerade as intermediate uveitis. A structured review of systems and focused imaging, and laboratory testing will assist with early diagnosis and initiation of treatment.