MESI comprises a heterogenous group of diseases with a common, readily identifiable clinical presentation: macular edema with visual impairment 34 Anterior Intermediate Posterior Panuveitis Location of Inflammation Specific Etiology Idiopathic Juvenile Idiopathic Arthritis Focal Chorioretinal inflammation Punctate Inner Choroidopathy Post-Operative Macular Edema Irrespective of the anatomical location of the inflammation or the specific etiology, the clinical presentation is the same: macular edema