Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
meds that increase risk of cataracts
|
Steroids (common in pts with AI diseases)
|
|
|
|
complications of cataract surgical removal
|
UGH syndrome, anterior chamber loss, infection, ischemic noptic neuropathy, retinal detachment, macular edema
|
|
|
|
prevenitive measures for cataracts
|
Screen, avoid UV, CONTROL DM, avoid risk agents (steroids)
|
|
|
|
MCC blindness in AA?
|
glaucoma
|
|
|
|
Risk factors for glaucoma
|
Family hx, age, myopia, hx retinal vein occlusion, hx of uveitis, DM, steroids, albinism, & vascular crisis (high or low BP or low volume)
|
|
|
|
presentation of chronic glaucoma
|
No sxs, visual field decreased, elevated pressure, disc cupping, NI conjunctivae
|
|
|
|
typical presentation of acute glaucoma
|
severe pain, vision loss, fixed dilated pupils, ciliary flush (indicates severe problem in anterior chamber), visual fields decreased, elevated pressures.
|
|
|
|
atypical presentation of acute glaucoma in elderly?
|
severe HA, abd pain, N/V - may appear to be an ACUTE ABDOMEN!
|
|
|
|
goal of management of glaucoma
|
to decrease intra-ocular pressure by reducing secretion and enhancing the outflow of aqueous humor
|
|
|
|
Classes oof drugs used to decrease pressure in glaucoma
|
BB, alpha (agrenergic) agonists, parasympathomimetics, carbonic anhydrase inhibitors, and prostaglandin rectector agonists.
|
|
|
|
BB used in glaucoma
|
betoptic, timolol, levabunolol
Side effects? |
bradycardia, bronchospasm
|
|
|
alpha agonists in glaucoma tx
|
epinephrine
side effects? |
HA, fatigue, HTN
|
|
|
parasympathomimetics used in glaucoma tx
|
pilocarpine, carbahol
side effects? |
HA, nausea
|
|
|
Carbonic anhydrase inhibitors
|
acetazolamine, methazolamide, doxyxolamide (topical), briazolamide (topical)
Side effects? |
Dysgleusia (altered taste), anorexia, fatigue --> watch for in FTT pts.
|
|
|
prostaglandin receptor agonist used in glaucoma tx?
|
Xalantan
side effects? |
muscle and chest pain
|
|
|
what can ALL the treatments for glaucoma cause?
|
confusion
|
|
|
|
Treatment for acute glaucoma
|
IV acetazolamide
|
|
|
|
Prevention of glaucoma
|
Monitor steroids and control DM
complications of glaucoma? |
blindness, acute exacerbation
|
|
|
fct of macule
|
Site of highest visual acuity.
blood supply for macule? |
dependent on blood supply from choriocapillaries
|
|
|
Features of macular degeneration
|
MCC of legal blindness
More common in females |
|
