29th April 2024

A 45-year-old woman presents with a two-day history of pain, redness, and blurred vision in her left eye.

A 45-year-old woman presents with a two-day history of pain, redness, and blurred vision in her left eye. She also reports sensitivity to light. She has no history of trauma or systemic illness. On examination, the left eye is noticeably red around the iris and cornea. Visual acuity is slightly reduced. The left pupil is smaller than the right and reacts poorly to light. Slit-lamp examination reveals cells and flare in the anterior chamber.

Which is the most likely diagnosis?