29th April 2024

A 62-year-old woman presents with a sudden onset of severe pain in her right eye that began a few hours ago.

A 62-year-old woman presents with a sudden onset of severe pain in her right eye that began a few hours ago. She describes the pain as sharp and intense, accompanied by blurred vision and seeing coloured halos around lights. She also reports a feeling of nausea. On examination, her right eye is noticeably red, the cornea appears hazy, and the pupil is semi-dilated and sluggish in response to light. 

Which is the most likely diagnosis?