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Dorzolamide/timolol, sold under the brand name Cosopt among others, is a medication used to treat high pressure inside the eye including glaucoma. [3] [5] [6] It is a combination of dorzolamide hydrochloride and timolol maleate. [3] It may be used when a beta blocker, like timolol, is not sufficient alone. [7] It is used as an eye drop. [3]
The IOP is higher during sleep. Efficacy of timolol in lowering IOP during the sleep period may be limited. [16] [17] [18] It is a 5–10× more potent beta blocker than propranolol. Timolol is light-sensitive; it is usually preserved with 0.01% benzalkonium chloride (BAC), but also comes BAC-free.
Brimonidine/timolol, sold under the brand name Combigan among others, is a fixed-dose combination medication eye drop used for the treatment of glaucoma. [1] It is a combination of brimonidine (an α 2 adrenergic agonist) and timolol (a β adrenergic blocker).
Brimonidine is an α 2 adrenergic agonist. [4]Peripheral α 2 agonist activity results in vasoconstriction of blood vessels (as opposed to central α 2 agonist activity that decreases sympathetic tone, as can be seen by the medication clonidine).
Travoprost/timolol, sold under the brand name Duotrav among others, is a fixed-dose combination medication used for the treatment of glaucoma. [4] [5] ...
Bimatoprost/timolol, sold under the brand name Ganfort, is a medication for the treatment of certain conditions involving high pressure in the eyes, specifically open angle glaucoma and ocular hypertension. [1] [3] It is available as eye drops. [1] [3] It was approved for medical use in the European Union in May 2006. [3]
Thymol (also known as 2-isopropyl-5-methylphenol, IPMP), C 10 H 14 O, is a natural monoterpenoid phenol derivative of p-Cymene, isomeric with carvacrol.It occurs naturally in the oil of thyme, and it is extracted from Thymus vulgaris (common thyme), ajwain, [4] and various other plants as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties.
Paul Voigt patented a negative feedback amplifier in January 1924, though his theory lacked detail. [4] Harold Stephen Black independently invented the negative-feedback amplifier while he was a passenger on the Lackawanna Ferry (from Hoboken Terminal to Manhattan) on his way to work at Bell Laboratories (located in Manhattan instead of New Jersey in 1927) on August 2, 1927 [5] (US Patent ...