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Pilocarpine has been known to cause excessive salivation, sweating, bronchial mucus secretion, bronchospasm, bradycardia, vasodilation, and diarrhea. Eye drops can result in brow ache and chronic use in miosis. It can also cause temporary blurred vision or darkness of vision, temporary shortsightedness, hyphema and retinal detachment.
Tropicamide, sold under the brand name Mydriacyl among others, is a medication used to dilate the pupil and help with examination of the eye. [3] Specifically it is used to help examine the back of the eye. [4] It is applied as eye drops. [3] Effects occur within 40 minutes and last for up to a day. [3]
Demecarium causes constriction of the pupil , which improves the drainage of the fluid in the eye (aqueous humour). [2] As demecarium reversibly inhibits cholinesterase , it can be administered less frequently than other parasympathomimetic drugs, such as carbachol .
Carbachol eyedrops are used to decrease the pressure in the eye for people with glaucoma. It is sometimes used to constrict the pupils during cataract surgery. Topical ocular administration is used to decrease intraocular pressure in people with primary open-angle glaucoma. Intraocular administration is used to produce miosis after lens ...
In one study, 10 people were given two drops of 0.5 mg/mL of tetryzoline eye drops (0.025–0.05 mg) at 0 hrs, 4 hrs, 8 hrs, and 12 hrs. Within a 24-hour time window, since the last dose of tetryzoline, the blood serum concentration of tetryzoline in the test subjects was 0.068-0.380 ng /mL and the urine concentration was 13–210 ng/mL.
Side effects may include allergic reactions, eye pain, and dilated pupils. [2] [4] [3] It is unclear if use in pregnancy is safe. [1] Nephazoline works by resulting in constriction of blood vessels thus decreasing redness while pheniramine works by blocking the effects of histamine to stop itching. [1]
Clear Eyes Once Daily, Eye Allergy Itch Relief: Not officially linked to any bacterial infection cases being traced by the CDC, the FDA has indicated this brand's manufacturer, Teva ...
In Horner's syndrome, the sympathetic innervation to the pupillary dilator muscle is lost. The affected pupil is thus miotic and the pupillary dilator responds to denervation by increasing α 1 receptors. Apraclonidine is useful in this case due to its weak α 1-adrenergic properties. When applied to the denervated (and thus hyper-sensitive ...