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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.
Freebase(0.00 / 0 votes)Rate this definition: Muscimol. Muscimol is the major psychoactive alkaloid present in many mushrooms of the Amanita genus. Muscimol is a potent, selective agonist for the GABAA receptors and displays sedative-hypnotic and dissociative psychoactive effects.