29th April 2024

A 27-year-old man presents with a one-week history of redness, pain, and decreased vision in his right eye.

A 27-year-old man presents with a one-week history of redness, pain, and decreased vision in his right eye. He also reports increased sensitivity to light and seeing floating spots. He has no previous history of eye trauma or systemic disease. On examination, his right eye is notably red, particularly around the iris. Visual acuity is reduced in the affected eye. Slit-lamp examination reveals fine precipitates on the endothelium.

Which is the most likely diagnosis?