Authors present clinical manifestation and therapeutic possibilities in posterior scleritis,a disease,whichmay cause diagnostic dilemma.Theyalso giveanaccount of new examination methods which amend the diagnostic schema and safely confirm this diagnosis. In the article, a disease of a seventeen years old man is presented, in which posterior scleritis of unknown etiology was diagnosed. Following the systemic corticosteroid treatment the visual acuity of the affected eye improved, subjective signs disappeared, and the clinical manifestation returned to normal.

        Key words: posterior scleritis, optic coherent tomography (OCT), fluorescein angiography (FAG)