<prompt> Which one of the following is NOT used in glaucomaTimololPhysostigmineDonepezilDipivefrine  <response>: Pharmacological agents used for POAGA Topical drugsβ-blockers :- Timolol, betaxolol, levobunolol, carteolol.Prostaglandin analogues :- Latanoprost, bimatoprost, travoprost.Alpha agonists :- Non-selective epipherine, dipivefrine; selective a2 Apraclonidine, Brimonidine.Carbonic anhydrase inhibitors :- Dorzolamide, brinzolamide.Cholinomimetic agents :- Pilocarpine, physostigmine, echothiophate, carbachol.B Systemic drugsCarbonic anhydrase inhibitors :- Acetazolamide, dichlorphenamide, methazolamide.Hyperosmotic agents :- Mannitol, glycerol. 