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What is The propey which makes betaxolol different from timolol is that betaxolol : and explain in detail?
Betaxolol is cardioselective Beta blocker (i.e Beta-1 blocker) Timolol is non-selective Beta blocker(Beta 1 + Beta 2) Betaxolol - less bronchopulmonary and less cardiac, central and metabolic side effects. Betaxolol has protective effect on retinal neurons independent of i.o.t. lowering, by blocking some Ca2+channels and reducing Na+/Ca2+ influx. This action is more prominent in betaxolol than in timolol. Betaxolol is less efficacious in lowering i.o.t. than timolol, because ocular Beta receptors are predominantly of the Beta 2 subtype.