 This will not be restricted by anatomical location or etiology with the inclusion of both idiopathic cases, infectious uveitis, scleritis and those cases linked to a disease known to be associated with an increased risk of intraocular inflammation e.g., sarcoidosis, BehSqrRootBetaets disease and multiple sclerosis MS and lymphoma. In addition, 100 participants without intraocular inflammatory disease will be enrolled as controls. 