A 51-year-old lady comes to the emergency department (ED) with severe pain in the right brow, right cheek, and right eye. Upon asking further questions, the woman said the pain started about 2 to 3 hours before the presentation to the ED. She also explained that her right eye vision started to get, and when she looked at the light, she saw rainbow-colored halos. She is a sit-at-home mother with no working life. Symptoms Upon asking further questions, the woman tells you she has vomited two times since the eye pain and doesn’t feel like eating anything. Social history The woman reveals that she has a 30-pack-year smoking history.

She drinks alcohol occasionally. The woman denies illicit drug use. Categories Patient history Past pain history There were no prior eye episodes. No flashes, no floaters, and no diplopia. There is mild redness in the right eye. No eye medication history Past…