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Frequently Asked Questions. What is Betimol? Betimol (timolol ophthalmic solution), 0.25% and 0.5%, is a non-selective beta-adrenergic antagonist for ophthalmic use and it is indicated in the treatment of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma.
Carvedilol is a nonselective beta blocker / alpha-1 blocker used in the treatment of mild to severe congestive heart failure (CHF) and high blood pressure.arvedilol is both a beta blocker (Î² 1, Î² 2) and alpha blocker (Î± 1): 1  Norepinephrine stimulates the nerves that control the muscles of the heart by binding to the Î² 1 - and Î² 2 - adrenergic receptors.