الفهرس 
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Abstract
Uveitis is inflammation of the uvea. It is the pigmented, vascular middle layer of the eye, sandwiched between the corneoscleral outer protective layer and the retina
There are many Uveitis entities; several classification schemes are clinically useful. According to standardization of uveitis nomenclature working group (SUN) the four commonly used classifications for describing Uveitis entities are temporal, morphological, anatomical, and etiological.
The temporal classification of Uveitis divides Uveitis entities by duration into acute uveitis and chronic uveitis. The morphological classification is either nongranulomatous or granulomatous.
The anatomical classification uses the terms iritis, iridocyclitis, vitritis, retinochoroiditis, choroiditis, and panuveitis. The etiological classification is either infectious or noninfectious.
Infectious uveitis is the big entity of uveitis. It may be caused by bacteria such as in tuberculosis and syphilis which were thought to be the cause of majority of cases of uveitis, viruses such as cytomegalovirus. Fungi such as Candida. Protozoa such as toxoplasmosis.
Because specific antimicrobial therapy can be curative and prevent long term visual sequelae, early diagnosis of infectious causes of uveitis should be a priority to ensure good prognostic outcome.
Investigations of a case of infectious uveitis are multiple and include laboratory as ESR, skin biopsy for leprosy, tuberculin skin tests,
PCR, ELISA, IFA and Imaging studies as chest X ray.
Management of a case of infectious uveitis depends on the diagnosis of the cause followed by proper anti infective therapy; the outcome however depends on the stage of the disease and promptness of diagnosis and therapy.
Follow –up is very important and depends on the cause of the uveitis, the severity of the uveitis, and the medications used in treatment.