<prompt> A 55 years old female comes to the eye casualty with history of severe eye pain, redness and diminution of vision. On examination, the visual acuity is 660, there is circumcorneal congestion, corneal oedema and a shallow anterior chamber. Which of the following is the best drug of choice?Atropine ointmentI.V. MannitolCiprofloxacin eye dropsBetamethasone eye drops  <response>: Ans is b i.e., I.V. Mannitol 