conjunctival disorders Flashcards
what is the common etiologic agent of conjunctivitis?
adenovirus
how long for second eye involvement for conjunctivits?
3-7 days
viral conjunctivitis has no what?
central blood vessel
viral conjunctivits has what kind of lymphadenopathy?
preauricular lymphadenopathy
what is the trx for viral conjunctivitis
self limiting, cold compresses, artificial tears
which bacterial conjuncitivis do we send ASAP
neisseria/chlamydia
symptom of bacterial conjunctivits?
adhesion of eyelids in the morning, mucuopurulent discharge,
treatment for non-gonococcal bacterial conjuncitivits?
trimthoprim/polymyxin, fluoroquinolone (floxacin)
treatment for neisseria and chlamydia
ceftriaxone (hospitalize)
allergic conjunctivitis symptoms?
intense itching, can be unequal in eyes, but bilateral, conjunctival papillae WITH CENTRAL BLOOD VESSEL
treatment for allergic conjunctivitis
- mild: artificial tears
- moderate; topical antihistamine/mast cell stabilizer (olopatadine, ketotifen)
- severe: topical steroid (loteprednol)
- oral antihistamines: cetirizine, fexofenadine, diphenhydramine
subconjunctival hemorrhage
blood under the conjunctiva, typically asymptomatic, typically in one sector, may involve the entire sclera
pinguecula and pterygium
a whitish-yellowish bump or fleshy growth on the exposed conjunctiva often in the 3 or 9 o’clock region of the eye
pingucula vs pterygium?
pterydium invades cornea, pinguecula does not
treatment for pinguecula and pterygium?
artificial tears, maybe steroids, then last surgery if pterygium interfereds w/ sight
