A 32-year-old man presents with acute onset unilateral painful red eye, photophobia and decreased vision. Examination shows ciliary injection, small irregular pupil and cells in the anterior chamber. Which is the most likely diagnosis?ABacterial conjunctivitisBAcute angle-closure glaucomaCHerpes simplex keratitisDAnterior uveitis (iritis)ECentral retinal artery occlusionCheck my answer