question: Q:A 50-year-old man comes to the emergency department because of a severely painful right eye. The pain started an hour ago and is accompanied by frontal headache and nausea. The patient has vomited twice since the onset of the pain. He has type 2 diabetes mellitus. He immigrated to the US from China 10 years ago. He works as an engineer at a local company and has been under a great deal of stress lately. His only medication is metformin. Vital signs are within normal limits. The right eye is red and is hard on palpation. The right pupil is mid-dilated and nonreactive to light. The left pupil is round and reactive to light and accommodation. Which of the following agents is contraindicated in this patient?? 
  {'A': 'Topical pilocarpine', 'B': 'Topical timolol', 'C': 'Topical epinephrine', 'D': 'Topical apraclonidine', 'E': 'Oral acetazolamide'},