Drugs for Ears, Eyes, and Skin Flashcards
Three layers to the eye
-cornea/sclera
-uvea (choroid, iris, ciliary body)
-retina
Cones and rods exist in the ______
retina
Glaucoma is defined as…
inhibition of flow/drainage aqueous humor, and increase in ocular pressure (IOP)
pilocarpine and echothiophate are used to treat…
gluacoma
Acetylcholine (Miochol-E) use, MOA
-produce miosis during eye surgery
-immediate onset, duration of 10 min
Pilocarpine is a _____-______ drug that lasts ___ to ___ days
long-acting, 28-31 days
Sympathomimetics (Iopidine, Alphagan P, Proprine) are used to treat glaucoma and IOP by what MOA? SFX?
-mimic epi and norepi, increase pupil size
-lacramation, burning/eye pain
Beta-adrenergic meds for IOP
-Betaxolol, carteolol, timolol
-MOA: reduce aqueous humor formation
-SFX: burning, blurred vision, photophobia (light fear)
CAIs for glaucoma/IOP before surgery
-“-zolamides”
-MOA: inhibit CAI –> reduces aqueous humor formation
What osmotic diuretics are used for acute glaucomic crises? What are their side effects?
-Glycerin (1st–PO, topical), mannitol if glycerin doesn’t work
-N/V, headache, hyperglycemia, fluid/electrolyte imbalance
Prostaglandin agonists
Suffix, MOA/use, side effects
“-oprosts”
-MOA: increase outflow of aqueous fluid
-SFX/nursing considerations: burning, CAN CHANGE EYE COLOR PERMANENTLY! (light –> brown)
Ocular antimicrobial drugs include
Ocular anti-inflammatory NSAIDs and corticosteroids
NSAID: flurbiprofen, ketoralac
Corticosteroids: dexamethasone, prednisolone
Tetracaine and proparacaine are _______ ________, and can’t be self-administered
Ophthalmic anesthetics
Atropine sulfate and cyclopentolate do what?
dilate pupil, paralyze ciliary muscle, uveitis