Practice Nursing Exam Questions
transparent mucosal tissue that lines the eye ad inner surface of the eyelids
Conjunctiva
Broad term for a group of conditions that result in swelling, inflammation or infection of
the conjuctivia; "pink eye"
Conjunctivitis
present in 1 eye THEN spread to the other....
bacterial and viral
present simultaneously in both eyes
Allergic
what percent of infectious cases are viral
70%
65%- 90% caused by
adenovirus (common cold)
,Viral Conjunctivitis is contagious
as long as pt is tearing or at least 1 wk
how long does viral conjunctivitis last for
5-14 days
red eye, excessive watery discharge, burning, itching, photophobia, FBS
Occular S&S for Viral conjuctivitis
pts with viral conjunctivitis have had a recent...
URI
tx for viral conjunctivitis is
supportive
pharm tx for viral conjuct.
antihistamine/decongestant drops
Non pharm tx for viral conjuct.
ocular decongestants, artificial tears, cool compresses
Acute Conjunctivitis aka
bacterial conjunctivitis
Staph aureus is most common in
adults
Hemo influenza and strep pneumoniae is most common in
children
Bacterial conjuc. spreads
through direct contact with contaminated fingers
Associated with gonorrhea in sexually active adults
Hyperacute
Copious purulent yellow or green discharge, pain and diminshed vision loss
both eyes sticky and glued shut worse in the morning
sudden onset and rapid progression
Hyperacute
Acute bacterial conjuct
most common form: S. aureus
acute bacterial conjuct.
, S&S persist less than 3-4 weeks scant, mild purulent drainage
Chronic bacterial conjunct
referred to optho
persist for at least 4 weeks w/ frequent relapse
When is Pharm tx used for bacterial conjunctivitis
when its bacterial mild to mod
Primary pharm tx for bacterial conjunc
- Azithromycin drops
- Erythromycin ointment
- Polymyxin B/ Trimethoprim drops
which ointment is preferred for kids
Erythromycin Ophthalmic ointment
which drops has a higher rate of resistance
Polylyxin B/ Trimethroprim drops
secondary pharm tx for Bacterial conjuc
Bacitracin opthalmic ointment
Azithromycin opthalmic drops
pharm tx for mod to severe bacterial conjuctivits
Floroquinolones for 7 days
Ofloxacin ophthalmic
Moxifloxacin ophthalmic
Levofloxacin Ophthalmic
Fluroquinolones
Common agent of Allergic Conjuctivitis
Hay fever
percent of pts with allergic rhinitis present with allergic conjuctivitis
75%
what does the discharge look like in allergic conjunctivitis
clear stringy white discharge
What is the tx for allergic conjunc.
oral histamine