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PHYA 523 Mydriatics (pharmacology) Questions and answers
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PHYA 523 Mydriatics (pharmacology) Questions and answers
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PHYA 523 Mydriatics (pharmacology)What is an overall indication for mydriatics?
Uveitis
What agents are anticholinergics?
Atropine
Cyclopetolate/ phenylephrine
Homatropine
Scopolamine
Tropicamide
What is the MOA of atropine?
Blocks the action of acetylcholine at parasympathetic receptors in smooth
muscle, secretory glands, and the CNS
Results in mydriasis and cycloplegia
What are the formulations for atropine?
Solution and ointment
When should atropine drops be instilled prior to a procedure?
One to two drops one hour before the procedure
What are the AE of atropine?
Ophthalmic - blurred vision, decreased lacrimation, eye irritation, eyelid
edema, eye pain, papillary conjunctivitis, photophobia, stinging of the eyes,
superficial keratitis
Systemic - Hypotension, irritability, restlessness, xerostomia
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