<prompt> Which muscarinic agonist is used in the treatment of angle closure glaucoma?PilocarpineNeostigmineBrimonidineDipiveffine  <response>: Ans. is a i.e., Pilocarpine Angle closure glaucomao Treatment of choice for acute congestive glaucoma - Laser iridotomy 1st choice, Peripheral iridectency 2nd choiceo Drug of choice for acute congestive glaucoma - Pilocarpineo Initially IOP is controlled first drug used - Systemic mannitol or acetazolamideOpen angle glaucomao Treatment of choiceo Drug of choiceo Surgery of choiceTopical antiglaucoma drugsb - blocker Timolol, betaxolol, levobunalolArgon or diode laser trabeculoplasty 