Advances in the understanding of the pathogenetic mechanismsinvolved in uveitis and uveoretinitis led to theintroduction of various new therapeuticmodalities for thesediseases, thus raising the need for a comprehensive andreproducible standard scoring system. This monograph is theend result of extensive studies and presents a universalgrading system that reflects both intraocular inflammatoryactivity and visual acuity and can beused as a standardmeans of classification throughout the world.