The mechanism of action and drug interactions of Vuity Pilocarpine eye drops
Vuity eye drops (pilocarpine) improve presbyopia by stimulating cholinergic receptors to produce a miotic effect, and their drug interactions mainly involve anticholinergic drugs and eye preparations. The following will explain the mechanism of action and drug interactions to help patients use medication safely.
1. Mechanism of action
(1) Receptor activation: Selective activation of M3 cholinergic receptors in the iris sphincter, causing pupil constriction (miotic effect), increasing depth of field, and improving near vision.
(2) Regulation enhancement: By contracting the ciliary muscle, the lens regulation ability is enhanced, with a peak effect 1-2 hours after medication and a duration of 6-8 hours.
2. Drug interactions
(1) Anticholinergic drugs: M-receptor antagonists such as atropine can directly counteract the effect of pupil constriction and should be used at least 4 hours apart.
(2) Beta blockers: Thimolol eye drops may enhance the effect of lowering intraocular pressure, and changes in intraocular pressure should be monitored when used in combination.
(3) Systemic cholinesterase inhibitors such as donepezil may increase the risk of systemic cholinergic side effects and should be used with caution.
3. Special precautions
(1) Eye preparations: Avoid combination with other pupil constrictors (such as carbapenem) to prevent excessive pupil constriction and eye pain.
(2) Systemic medication: Tricyclic antidepressants may enhance anticholinergic effects and reduce Vuity efficacy. It is recommended to adjust the medication time.
Disclaimer：《The mechanism of action and drug interactions of Vuity Pilocarpine eye drops》Edited and sorted by Seagull Pharmacy's editors. Please contact us in time if there is any infringement. In addition, the suggestions for drug usage, dosage and disease mentioned in the article are only for medical staff's reference, and can not be used as any basis for medication！