<prompt> Earliest drug used in acute angle closure glaucomaDiamoxPilocarpineAtropineDFP  <response>: Approach in acute congestive glaucoma Start i.v. mannitol or i.v. acetazolamideWhen IOT starts falling, start topical pilocarpine or β-blocker timolol.Apraclonidinelatanoprost may be added.Once i.o.t. is reduced, surgery is done.Diamox is acetazolamide 