Uveitis — Anterior and Posterior

A 32-year-old woman presents with sudden onset photophobia, pain, and blurred vision in the right eye. Slit-lamp examination reveals fine keratic precipitates, anterior chamber cells (3+), and fibrin. Posterior segment examination is unremarkable. Which of the following is NOT a recognized cause of this pattern of anterior uveitis?

Which clinical feature best distinguishes acute anterior uveitis from acute posterior uveitis?

A 28-year-old man with a 6-week history of floaters, blurred vision, and vitritis haze is diagnosed with intermediate uveitis. Systemic investigations are unremarkable. What is the drug of choice for initial management?

A 32-year-old woman presents with sudden-onset floaters, photopsia, and blurred vision in the right eye for 3 days. Examination reveals vitritis with 3+ haze, posterior synechiae, and a granulomatous anterior chamber reaction. Fundus examination shows multiple cream-coloured nodules at the macula and optic disc. Which investigation is most appropriate to establish the aetiology of this posterior uveitis?

A 28-year-old man with a history of recurrent oral aphthous ulcers and genital ulcers presents with acute anterior uveitis with fibrinous exudate and hypopyon. He also has a history of recurrent thrombophlebitis. Which investigation is most specific for confirming the diagnosis of Behçet disease?