Glaucoma Flashcards
What defines Glaucoma?
Progressive narrowing of the visual field
In Glaucoma therapeutics which agent is usually a decongestant?
Sympathomimetic?
What sympathetic receptor is involved with bronchodilation and increases aqueous production?
B2
What receptor is involved in vasoconstriction and mydriasis?
A1
Which parasympathetic receptor is involved in ciliary body contraction and increase aqueous outflow?
M3
What drug causes the sphincter muscle to contract?
Pilocarpine
When a drug ends with an -nidine?
Sympathomimetic
How much of a drug is lost through the Nasolacrimal Duct
80%
Which nonselective sympathomimetic is used more than Epi?
Dipivephrine
Which sympathetic receptor decreases aqueous production and increase trabecular outflow
A2
What do Carbonic Anhydrase suffix end with?
-amide (orange capped)
What is the color of a prostaglandin cap?
Teal capped
What is a major adverse reaction of sympathomimetics?
Thicken the cornea and increase IOP
What type of receptor is a selective sympathomimetic?
A2 receptor only
What is a more selective A2 drug from the selective sympathomimetics?
Brimonidine
When a pt. is suffering from Tachyphylaxis?
Brimonidine
Tachyphylaxis - response to a drug that is decreased
What drug is the safest Beta blocker for asthma?
Betaxlol
Note: The receptor B1
How can you determine a beta blocker?
every drug ends with olol
Since Beta Blockers suppress the sympathetic system, what is major psychological disorder can occur?
Depression
Which receptor is more selective when using Pilocarpine
M
In regards to Pilocarpine, what is the main proposition in regards to its adverse effects?
Vestibular system is contraindicated
Note: Use more drops for dark irides
What is the main function of a Carbonic Anhydrase inhibitor for eye care?
Aqueous production is decreased.
What B-blocker for OAG is safe for diabetics?
Cartelol
What is the Oral drug of choice for CAI’s?
Acetazolamide (short lasting)