Anatomic Classification of Uveitis*

Anterior uveitis
Primary site of inflammation: anterior chamber

Intermediate uveitis
Primary site of inflammation: vitreous

Posterior uveitis
Primary site of inflammation: retina or choroid

Panuveitis
Primary site of inflammation: anterior chamber, vitreous, retina or choroid

*adapted from IUSG and SUN classifications:
Bloch-Michel E, Nussenblatt RB. International Uveitis Study Group recommendations for the evaluation of intraocular inflammatory disease. Am J Ophthalmol 1987;103:234-235.
Jabs DA, Nussenblatt RB, Rosenbaum JT. Standardization of Uveitis Nomenclature (SUN) Working Group. Standardization of uveitis nomenclature for reporting clinical data. Results of the First International Workshop. Am J Ophthalmol 2005;140:509-516.


IUSG Clinical Classification of Uveitis**

Infectious
Bacterial
Viral
Fungal
Parasitic
Others

Non-infectious
Known systemic association
No known systemic association

Masquerade
Neoplastic
Non-neoplastic

**Deschenes J, Murray PI, Rao NA, Nussenblatt RB. International Uveitis Study Group. International Uveitis Study Group (IUSG): clinical classification of uveitis. Ocul Immunol Inflamm 2008;16:1-2.