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Diagnosis of PIOL is often made months or years after the initial onset of ocular symptoms. Cytology remains the gold standard for diagnosis. However, measurement of IL-10 in the AH is a good screening test to reduce diagnostic delays.

The prognosis of the disease remains poor. However, the new diagnostic tools and therapeutic strategies may improve the diagnostic delay and the survival outcome.

Purpose-To determine the frequency of occurrence of limited clinical features which distinguish patients with Vogt-Koyanagi-Harada (VKH) disease from those with non-VKH uveitis. Design-Comparative case series. Participants-1147 total patients.Methods-All patients with bilateral ocular inflammatory disease presenting to any of ten uveitis centers in the three month period between 2006-January-01 and 2006-March-31 (inclusive) were asked to participate. The clinical and historical features of disease were obtained from the participants via direct interview and chart review. Patients were stratified based on whether they were diagnosed with VKH disease or non-VKH uveitis for statistical analysis. Main Outcome Measures-Presence or absence of various clinical features in the two populations.Results-Of 1147 patients, 180 were diagnosed with VKH disease and 967 with non-VKH uveitis. Hispanics and Asians were more likely to be diagnosed with VKH than non-VKH disease compared Publisher's Disclaimer: This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final citable form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. NIH Public Access Author ManuscriptOphthalmology. Author manuscript; available in PMC 2011 March 1. Conclusions-Numerous clinical findings have been described in the past as important in the diagnosis of VKH. The current study reveals that of these, two are highly specific to this entity in an ethnically and geographically diverse group of patients with non-traumatic bilateral uveitis. These clinical findings are 1. exudative retinal detachment during acute disease and 2. sunset glow fundus during the chronic phase of the disease.Vogt-Koyanagi-Harada disease (VKH) is a visually disabling bilateral intraocular inflammation usually associated with extraocular manifestations such as meningismus, vitiligo, poliosis, and dysacusis. 1-3 The extraocular manifestations typically appear in different phases of the disease and may vary in different ethnic groups.1 , 4 -6 For example, cutaneous manifestations are typically absent during the acute phase and appear later in the disease course, while the neurologic and auditory manifestations generally precede ocular manifestations. The absence of concurrent extraocular manifestations may have significant implications for both clinical practice and the conduct of clinical studies, as follows. In the area of clinical practice, variation in manifestations and their timing may cause a delay in establishing the correct diagnosis and thus a delay in the initiation of appropriate treatment. This may result in the disease entering the chronic/recurrent phase and in the subsequent development of complications such as glaucoma, ...

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Despite the use of highly sensitive molecular tools, such as polymerase chain reaction, for the detection of Mycobacterium tuberculosis, ocular tuberculosis remains a subject of controversy. The diagnosis is often presumptive in the absence of ocular biopsies. Choroiditis is the most common ocular manifestation in patients with pulmonary and systemic tuberculosis. Indocyanine green angiography seems to be an interesting method to determine choroidal involvement. PCR technology is proposed to evaluate the presence of the tubercule bacillus DNA in ocular fluids and tissues when conventional microbiologic methods fail to confirm a bacterial etiology. Most of the presumed cases of ocular tuberculosis should be treated with associations of antituberculous drug, especially when a systemic steroid regimen is required.