A 55 year old female comes to the eye casualty with history of severe eye pain, redness and diminution of vision. On examination the visual acuity is 6/60, there is circumcorneal congestion, corneal oedema and a shallow anterior chamber, Which of the following is the best drug of choice-
Atropine ointment I.V. Mannitol Ciprofloxacin eye drops Betamethasone eye drops.