myotic drug
Definition
Noun: A myotic drug is a type of pharmaceutical agent that causes miosis, which is the constriction (narrowing) of the pupil of the eye.
Usage
This term is used in medical and pharmacological contexts to describe a specific class of drugs. It is a technical term. * Pilocarpine is a classic myotic drug used to treat glaucoma. * The ophthalmologist prescribed a myotic drug to reduce the patient's intraocular pressure.
Advanced Usage
- Mechanism of Action: Myotic drugs typically work by stimulating the muscarinic receptors of the sphincter pupillae muscle in the iris, causing it to contract.
- Therapeutic Use: The primary clinical application of myotic drugs is in the management of certain types of glaucoma and during some ophthalmic surgeries.
Variants and Related Words
- Miotic (adjective/noun): Often used interchangeably with "myotic." As an adjective, it describes something that causes miosis (e.g., a miotic agent). As a noun, it is a synonym for a myotic drug.
- Parasympathomimetic (adjective/noun): A broader drug class; many myotic drugs are parasympathomimetics, meaning they mimic the action of the parasympathetic nervous system.
Synonyms
- Miotic
- Pupil-constricting drug
Antonyms
- Mydriatic drug: A drug that causes mydriasis (dilation of the pupil).
Noun
-
a drug that causes miosis (constriction of the pupil of the eye)
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