About Betaxolol Cardioselective Beta 1-adrenergic blocker, anti glaucoma, antihypertensive. Mechanism of Action of Betaxolol Betaxolol is a selective beta 1 (? 1) blocker. It inhibits the beta receptors present in the eye such as in the ciliary body epithelium and blood vessels. This will leads to decreased aqueous production and reduced intraocular pressure. Aqueous humor production is activated by ? receptor mediated cyclic AMP phosphokinase pathway. Beta receptor blockers will decreases the intracellular cyclic AMP level and reduces intraocular pressure. Indications for Betaxolol 1. Open angle glaucoma 2.Ocular tension Typical Dosage for Betaxolol Betaxolol 0.5% eye drop and 0.25% ophthalmic suspension is available. Eye drops: Instill 1 drop in to the affected eye for 2 times daily.