A 36-year-old man presents to the emergency department with 2 days of right eye pain, photophobia, and blurred vision. He has had chronic low back and hip pain for 8 years with morning stiffness lasting more than 1 hour that improves with exercise, and he takes naproxen as needed. He wears no contact lenses and has no history of eye trauma or herpetic infection. On examination, visual acuity in the right eye is 6/12, there is circumferential perilimbal redness, and the right pupil is smaller than the left. Slit-lamp examination of the right eye shows 3+ cells and flare in the anterior chamber with no fluorescein staining of the cornea. Intraocular pressure is 14 mm Hg (10-21) in the right eye. There is no discharge. Ophthalmology can see him in clinic tomorrow morning.
| Heart rate | 78/min |
| Respiratory rate | 16/min |
| Temperature | 36.8 °C |
| O2 saturation | 99%, room air |
| Blood pressure | 128/78 mm Hg |
Question 1 of 36
Which one of the following medications is most appropriate to start now to relieve his pain until he is assessed by ophthalmology?
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