<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 37-year-old man comes to the emergency department for severe eye pain. The patient reports that he is a construction worker and was drilling metal beams when he suddenly felt a sharp pain in his right eye. Since then, the vision in his right eye has seemed blurry and his eye has not stopped tearing. The patients medical history is significant for type II diabetes mellitus and hypertension. His medications include metformin, captopril, and lovastatin. He has a mother with glaucoma, and both his brother and father have coronary artery disease. Upon physical examination, there is conjunctival injection present in the right eye with no obvious lacerations to the eyelids or defects in extraocular eye movements. Pupils are equal and reactive to light. No afferent pupillary defect is appreciated. The unaffected eye has 2020 visual acuity. The patient refuses to participate in the visual acuity exam of the right eye due to pain. Which of the following is the best initial step in management?? A: Fluorescein stain, B: Orbital magnetic resonance imaging, C: Patching, D: Tonometry, E: Topical corticosteroids,  <response>: This is a question about the initial management of a patient with acute eye pain and blurry vision after a metal drilling accident at work. The key facts are:- 37 year old male construction worker - Experienced sudden severe right eye pain and blurry vision after drilling metal beams- Right eye is tearing, conjunctival injection present- Pupils equal and reactive, no afferent pupillary defect - Left eye 2020 vision, right eye visual acuity not tested due to pain- Past medical history of diabetes and hypertension- Family history of glaucomaThe description points towards a metallic foreign body causing corneal abrasion or penetration. The initial step should be to evaluate for any corneal damage. Choice A, fluorescein staining, allows visualization of corneal abrasions and should be performed first. MRI, patching, tonometry and steroids may be indicated later but are not appropriate initial steps.A: Fluorescein stain 