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Topical atropine is used as a cycloplegic, to temporarily paralyze the accommodation reflex, and as a mydriatic, to dilate the pupils. [15] Atropine degrades slowly, typically wearing off in 7 to 14 days, so it is generally used as a therapeutic mydriatic, whereas tropicamide (a shorter-acting cholinergic antagonist) or phenylephrine (an α-adrenergic agonist) is preferred as an aid to ...
Cyclopentolate, Atropine, Tropicamide, and Homatropine are the typical cycloplegic eye drops used once daily to treat spasm of accommodation by relaxing the ciliary muscle. One side effect is blurred vision since these induce dilation.
It is applied as eye drops. [3] Effects occur within 40 minutes and last for up to a day. [3] Common side effects include blurry vision, increased intraocular pressure, and sensitivity to light. [3] Another rare but severe side effect is psychosis, particularly in children. [3] It is unclear if use during pregnancy is safe for the fetus. [5]
The antidote for belladonna poisoning is an anticholinesterase (such as physostigmine) or a cholinomimetic (such as pilocarpine), the same as for atropine. [52] Atropa bella-donna is also toxic to many domestic animals, causing narcosis and paralysis. [53] However, cattle and rabbits eat the plant seemingly without suffering harmful effects. [50]
Treatment of corneal ulcers includes topical antibiotic therapy to prevent infection, and pain medications, including topical atropine to stop spasms of the ciliary muscle. Atropine may decrease tear production and interfere with corneal healing. [5] Superficial ulcers usually heal in less than a week.
Other ocular side effects can include burning sensations, discomfort with bright light (photophobia), blurred vision, irritation, inflammation of the eye mucous membranes (conjunctivitis), inflammation of the cornea of the eye , and other issues. Nonocular (not eye-related) side and adverse effects can include neuropsychiatric symptoms.
Effects of anticholinergic drugs include: Delirium (often with hallucinations and delusions indistinguishable from reality) Ocular symptoms (from eye drops): mydriasis, pupil dilation, and acute angle-closure glaucoma in those with shallow anterior chamber [11] [12] [13] Anhidrosis, dry mouth, dry skin; Fever; Constipation; Tachycardia; Urinary ...
Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drugs.