Drugs for the eye - Cycloplegics and Midriatics Flashcards
1
Q
Drugs that paralyze the ciliary muscle
A
cycloplegics
2
Q
Drugs that dilate the pupil
A
mydriatics
3
Q
Anticholenergic drugs cause cycloplegia by blocking_____ _____ on the cilliary muscle.
(Atropine is an anticholinergic drug)
A
muscarinic receptors
4
Q
Anticholenergic drugs cause mydriasis by blocking muscarinic receptors on the
A
iris sphincter
5
Q
By paralyzing the iris sphincter anticholenergic drugs prevent the pupil from _____________________ photo phobia results.
A
constricting in response to bright light
6
Q
Phenylephrine, an adrenergic agonist, causes mydriasis by stimulating _____-_____ _____on the radial (dilator muscle of the iris)
A
alpha adrenergic receptors
