Besides its propeies of decreasing intraocular pressure, timolol is preferred in the treatment of glaucoma because it: (A) Produces no miosis, (B) Possess membrane stabilizing activity, (C) Increases outflow of aqueous humor, (D) Is a selective beta-adrenoceptor blocker
Answer is A. 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.