Flashcards in Red Eye Deck (64):
what is considered chronic conjunctivitis?
when it is lasting > 3 weeks
in a red eye, a miotic pupil may suggest
in a red eye, a fixed mid dilated pupil may suggest
in a red eye, an irregular pupil/ fixed may suggest
in a red eye, an APD may suggest
orbital cellulitis, endopthalmitis
in a red eye, a blown pupil may suggest
in a red eye, if you found restrictions on EOMS, what would be some DDxs
graves, orbital cellulitis, trauma
upper lid and lateral canthus drain into which node?
lower lid and medial canthus drain in which node?
lymph nodes with EKC (epidemic keratoconjunctivitis) are:
lymph nodes with PCF (pharngyeal conjunctival, fever) are:
(may be tender as well)
lymph nodes with Herpes Simplex or Herpes Zoster are:
lymph nodes with inclusion conjunctivitis (caused by chlamydia) are:
lymph nodes with hyperacute conjunctivitis (caused by gonnorhea) are:
lymph nodes with pre-septal cellulitis or orbital cellulitis are
lymph nodes with ocular-glandular syndrome (syphilis, tularemia, cat scratch) are:
lymph node involvement in a red eye usually indicates:
what red-eye disease can cause neuro-retinitis?
cat scratch disease
what diseases can a fever help differentiate
preseptal vs. orbital cellulitis
(orbital typically presents with temp > 102 degrees)
DDx for swelling/edema in red eye
-rxn to drops
-severe dry eye/ MGD
-Grave's (proptosis, baby eyelids)
#1 cause of bilateral proptosis is
what can vitiligo be associated with?
what can a port wine stain be associated with?
(glaucoma angle closure associated)
what is it called when palpebral conj is stuck to bulbar conj? what can is be associated with?
-can be associated with chemical burns, chronic inflammation, Steven's Johnson syndrome
indications for performing exophthalmometry
exophthalmometry norms for children
14.5 - 16 mm
exophthalmometry norms for caucasians
12 - 20 mm
exophthalmometry norms for African Americans
12 - 24 mm
exophthalmometry norms for Asians
12 - 18 mm
exophthalmometry measurements should be within ___ mm of each other
if there is greater than a __ mm difference between the eyes on exophthalmometry, further investigation should be done
3 or greater
which exophthalmometry has a base number to record
which exophthalmometry is transparent, faster, easiest, least expensive, but not as accurate
demodex (parasite) "mites" in the lashes are called
demodex (parasite) "mites" in the meibomian glands are called
how does demodex "mites" survive and cause damage?
0eat epithelial cells at hair follicle
-microabrasions from claws lead to cylindrical dandruff at base of lashes
-inflammation due to chitin (extoskeleton)
treatment for demodex (mites)
-tea tree oil (needs to be mixed with something else since dangerous to cornea)
-Cilradex wipes (with tee tree oil)
-ointment to suffocate them
describe the debridement-scaling technique
-remove devitalized tissue and debris from line of marx (LOM), area of contact between the lid margin and bulbar conj/cornea with lissamine green and spud tool
which one of the following tools is less risky at squeezing meibomian glands too hard and damaging them? (Mastrota paddle or tears meibomian expresser forcep)
Mastrota paddle less risky
what is meibography useful for?
to look at meibomian glands and to see atrophy or drop out
a diffuse beefy engorged vessels usually more prominent in the inferior 1/3 of the conj (especially the fornices) is descriptive of a:
diffuse injection can be descriptive of
viral, scleritis, corneal ulcer, blepharoconjunctivitis, herpes simplex keratitis, herpes zoster keratitis, toxic conjunctivitis
very mild diffuse injection (chemosis is greater) is indicative of
circumlimbal pattern is descriptive of
uveitis, angle closure, CLARE- contact lens associated red eye
sectoral pattern is descriptive of a
episcleritis, pingueculitis, inflamed ptyregium, phylectenulosis, foreign body
sub conj heme is indicative of
trauma, valsalva, blood too thin (INR), hypertension
corkscrew injection indicative of
carotid cavernous sinus fistula
in what conditions can you see conjunctival chemosis? which is most common?
-most often seen in allergic conjunctivitis
-can be seen in other types of inflammation/ infection such as endophthalmitis, orbital cellulitis, retrobulbar mass
protein rich fluid leaking from walls of inflamed blood vessels
in what conditions do you see papilla?
bacterial, allergic, toxic, VKC, SLL or any chronic irritation
what is a papillae and what does it look like?
-raised small bumps (0.1 to 0.2mm)
-location of humoral immunity and site of release of PMN and eosinophils
-each papilla has central vessel running to surface
-GPC > 1.0 mm
what are follicles and what do they look like?
-pale, yellow-white, elevated nodules
-aggregate of lymphocytes
0.5-1.0 mm in size (5x size of papillae)
-not vascular (no central blood vessel)
-most marked in lower tarsal conj
what is folloculosis?
children can develop it- a follicular response with no etiology
what are some causes of follicles?
viral, chlamydial or toxic
pseudomembrane can be indicative of a
true membranes can be indicative of
gonnhorrea, Stevens-Johnson, chemical/thermal burn
"conjugated exudate adherent to the conj epithelium" is describing
"coagulated exudate infiltrating the conj epithelium" is describing
copious, overflowing mucopurulent discharge describes
mucopurulent discharge describes
watery discharge describes
acute allergy/ viral
thin, ropy transparent mucus discharge describes
chronic bacterial (lasting more than 3 weeks)
thick, ropy mucoid discharge describes
vernal keratoconjunctivitis (VKC)