https://www.bhf.org.uk/informationsupport/heart-matters-magazine/medical/drug-cabinet/beta-blockers
lowers blood pressure
https://www.sciencedirect.com/topics/medicine-and-dentistry/carteolol
QT:{{”
Beta-adrenergic blocking agents decrease aqueous secretion. Examples of these agents are betaxolol hydrochloride (Betoptic S and generic preparations), carteolol hydrochloride (Ocupress and generic preparations), levobunolol hydrochloride (Betagan and generic preparations), metipranolol (OptiPranolol and generic preparations), timolol (Betimol), timolol maleate (Timoptic, Timoptic XE gel, and generic preparations). Beta-adrenergic blocking agents used in ocular therapy may affect beta-adrenergic sites throughout the body with systemic effects including slowing cardiac rates, lowering blood pressure, and exacerbating asthma and obstructive airway disease. Timolol maleate (Timoptic) solutions of 0.25% and 0.5% concentration are used once or twice daily, depending on the severity of the glaucoma. Timolol maleate and levobunolol hydrochloride (Betagan) have minimal side effects and can be used for most patients except those with asthma, cardiopulmonary disease, heart failure, or second- to third-degree heart block. Betaxolol hydrochloride (Betoptic S) is a more selective beta-blocker with apparently fewer cardiovascular side effects and similar potency. This selectively affects only beta-1 receptors. Betaxolol hydrochloride, a cardioselective beta-blocker, has a significantly lesser effect on the respiratory system and can therefore be used in some patients with respiratory diseases. “}}
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