Besides its propeies of decreasing intraocular pressure, timolol is preferred in the treatment of glaucoma because it
Ans. is 'a' i.e., Produces no miosis Advantages of topical n-blockers (timolol) over miotics (pilocarpinel No change in pupil size (no miosis) - No fluctuation in I.O.T. No induced myopia - Convenient once/twice daily applications No ciliary spasm (no spasm of accomodation) - Few systemic side effects.
Produces no miosis
Possess membrane stabilizing activity
Increases outflow of aqueous humor
Is a selective beta-adrenoceptor blocker