Optha 2 Flashcards
1
Q
what are vasoconstrictors
A
- alpha agonists
- promotes vasoconstriction of superficial conjunctival blood vessels
- visine, eye mo, naphcon-a
2
Q
side effects of vasoconstrictors
A
- rebound phenomenon
- tachyphylaxis
- chronic follicular conjunctivitis
- eczematoid blepharoconjunctivitis
3
Q
what are mydriatics and cycloplegics
A
- autonomic agents, anticholinergics
- blocks ach at muscarininc receptors
- causes dilation of the pupil via paralysis of iris sphincter
- temporary paralysis of ciliary body muscle contraction (cycloplegia)
4
Q
indications for mydriasis
A
- retinal exam/surgery
- cataract surgery
5
Q
indications for cycloplegia
A
- uveitis
- cyclorefraction
- accomodative esotropial
6
Q
indications for artificial tears
A
- dry eye syndrome
- ocular surface disease
- post lasik lubrication
- increased screen use
- long term use
7
Q
other dry eye medications
A
- for very severe dry eyes
- cyclosporine-a (restasis)
- diquafosol (diquas)
8
Q
do anti cataract drops work?
A
no
- only a temporizing effort
9
Q
indication for sodium chloride
A
- reduce corneal edema from endothelial dystrophies or surgery
- pulls water out and acts like an osmotic agent
10
Q
indications for oral vitamins
A
- to prevent or lessen age-related macular degeneration with or without lutein
11
Q
indications for anti-vegfs
A
- armd
- macular edema due to dm
- other retinal problems
- injected intravitreally!!
12
Q
considerations when choosing eye drops
A
- less drops needed, better compliance
- ease of use and identification
- combination better
- preservatives can be toxic
- proper application
