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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.
Brimonidine and Timolol. Brimonidine/timolol (Combigan) is an expensive drug used in the eye to treat open-angle glaucoma and high pressure in the eyes. This drug is more popular than comparable drugs. There are currently no generic alternatives for Combigan.