opthalmic drugs Flashcards
what do parasympatholytic agents do to iris
constrict
what do symphathomimetics do to iris?
dilate
examples of parasympatholytic agents (2)
- Tropicamide
2. cyclopentolate
do sympathomimetics affect accomodation?
no
example of sympathomimetic (1)
phenylephrine
does tx of viral conjunctivitis include antivirals?
no antivirals ineffective against adenovirus
risk assc’d with use of topical steroids in tx of HSV?
- can exacerbate herpes keratitis,
- elevate IOP,
- cause cataracts
which PG analogue is preservative free?
tafluprost
how do PG analogues fxn for glaucoma?
incr uveoscleral outflow
how are beta adrenergic blockers effective for glaucoma?
decr aqueous production
which people should not be tx’d with beta antags?
asthma
COPD
which drug incr aqueous outflow thru trabecular meshwork
cholinergic agonists
what is the safest glaucoma medicine for a pregnant woman
brimonidine (adrenergic agonist)
which drug can cause apnea in children
brimonidine
if you give systemic meds above recommended doses, are ocular SE likely to be reversible or irreversible?
reversible