Table 1.

Anatomic Classification of uveitis following the International Uveitis Study Group classification system (SUN*).

Type of uveitis	Primary site of inflammation†	Includes
Anterior uveitis	Anterior chamber	Iritis
		Iridocyclitis
Anterior cyclitis
Intermediate uveitis	Vitreous	Pars planitis
		Posterior cyclitis
Hyalitis
Posterior uveitis	Retina or choroid	Focal, multifocal, or diffuse choroiditis
		Chorioretinitis
		Retinochoroiditis
		Retinitis
Neuroretinitis
Panuveitis	Anterior chamber, vitreous and retina or choroid
* SUN = Standardization of uveitis nomenclature. † As determined clinically

Note: Reprinted from the American Journal of Opthalmology, Volume 140, Issue 3, Jabs DA, Nussenblatt RB, Rosenbaum JT, Standardization of Uveitis Nomenclature (SUN) Working Group, Standardization of uveitis nomenclature. Results of the First International Workshop, 509-516, copyright (2005), with permission from Elsevier.⁵