• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/102

Click to flip

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;

102 Cards in this Set

  • Front
  • Back
what is hyperemia?
hyperemia = injection = congestion of BV = redness
What must you evaluate when the eye is red?
1) which layer?
2) how much? how bad?
3) how is it distributed?
types of discharge?
1) mucopurulent/purulent
2) ropy/stringy
3) tearing
4) serous
is mucopurulent discharge a thin or thick material?
thick material
color of mucopurulent dicharge?
varies from white to cream to yellow to green
what is mucopurulent discharge associated with?
associated w/ BACTERIAL and less commonly fungal infxns
what type of discharge often has an offensive odor?
mucopurulent discharge
what is ropy/stringy discharge?
serous discharge w/ mucus threads
what is ropy/stringy discharge associated with?
associated w/ allergic and vernal conjunctivitis
Patients may complain of excess tearing that is not associated with infection. Describe the viscosity of this type of discharge.
Tearing discharge has SAME viscosity as regular tears
what is serous discharge?
thick tears
The diff b/w ___ and ___ discharge is subtle and does not have significant diagnostic value, but it is important to recognize descriptive terms that may be used to describe a clinical presentation
tearing;
serous
is papilla a specific or nonspecific response?
nonspecific response
what causes papilla?
caused by many acute and chronic INFLAMMATORY disorders
What is the histopathological definition of a papilla?
diffuse infiltration (exudation/leakage) of various types of inflammatory cells into the conjunctival stroma (lymphocytes, PMNs, plasma cells, eosinophils)
___ is primarily comprised of blood-borne inflammatory exudate
a papilla
what is serous discharge often associated with?
associated with viral infxns
which has a central blood vessel, papilla or follicle?
papilla
the central blood vessel in papilla is the origin of the _________
focal exudation
what is papilla associated with?
1) allergic disease
2) bacterial disease
3) Chlamydia
what type of response is seen in adults with Chlamydia?
children with Chlamydia?
adults - mixed follicular and papillary response

children - papillae only (lymph system not fully developed)
papillae are often seen in what part of the eye?
superior palpebral
what is the histopathological definition of a follicle?
focal hyperplasia (swelling/overgrowth) of lymphoid tissue
_______ are slightly milky, translucent lobular projections
follicles
which are USUALLY larger, papilla or follicles?
follicles
where do follicles arise from?
pre-existing avascular lymphoid tissue in the conjunctival stroma
which are avascular, papilla or follicles?
follicles
what is in the central core of follicles?
immature lymphocytes and macrophages with surrounding mature lymphocytes
follicles are more common in what part of the eye?
lower fornix
what are follicles often associated with?
1) viral disease
2) Chlamydia (in adults only)
3) toxic conditions
Staining shows areas of corneal ____
epithelial breakdown
staining usually refers to _____ unless otherwise specified
NaFl
NaFl represents areas where _______
epithelial cells are missing
which stain is a true stain?
Rose Bengal
Rose Bengal represents areas of ____
dead/dying epithelial cells and mucus
what is it called when staining is observed in a punctate fashion?
PEK, SPK, or PEE
PEK =
punctate epithelial keratopathy
SPK =
superficial punctate keratitis
PEE =
punctate epithelial erosions

same as PEK!
What does PEK refer to?
refers to any breakdown of epithelium
____ is a catch-all term most clinicians use most frequently to refer to epithelial disruption
SPK
what is SPK?
epitheliopathy secondary to infectious process
Compare Rose Bengal and Lissamine Green
they are used for similar clinical situations. but Lissamine Green is not as good at detecting herpes simplex keratitis
Lissamine Green is best for ______ staining
dry eye syndrome
what does trace staining mean?
there are only a very tiny few punctate staining areas (tiny dots of staining)
Tx for trace staining?
usually requires NO Tx other than AT
T/F: AT are used in nearly all cases of corneal staining as supportive therapy
True
what is 1+ staining equivalent to?
MILD staining
Tx for mild staining?
1) if cause is INFLAMMATORY and there is NO threat of bacterial load --> steroid
2) if cause is INFLAMMATORY and there is a threat of bacterial load --> steroid-antibiotic combo
moderate staining = ____+ staining
2-3+
Tx for moderate staining?
1) if the cause is INFECTIONS --> Tx the infxn 1st. no steroids on 1st day
2) if the cause is INFLAMMATORY --> steroid-antibiotic combo
Tx for severe staining?
1) if cause is INFECTIONS --> Tx the infxn b4 adding a steroid later
2) other causes --> protect the cornea (use prophylactic antibiotic) until it is healed enough to use a combo or a steroid
what is chemosis?
conjunctival swelling (see w/ a variety of diseases and disorders)
is chemosis a specific or non-specific response?
non-specific
A/C rxn refers to ____ w/in the anterior chamber/aqueous
inflammation
what is A/C rxn associated with?
1) any moderate to severe insult to the eye (trauma, severe infxn, postsurgery)
2) systemic infxns
3) autoimmune diseases
hallmark features of A/C rxn?
cells (WBC) and flare (proteins) in the AC from leaking blood vessels in the uveal tract
what does PAN signify?
signifies acute or severe inflammation
______ is a swollen, palpable, and/or tender area just in front of the ear
PAN (preauricular lymph node)
what is PAN associated with?
1) viral eye diseases
2) severe bacterial eye diseases
examples of severe bacterial eye diseases that PAN is associated with?
severe internal hordeolum/preseptal cellulitis

gonococcal hyperacute conjunctivitis
PAN is located just anterior to the ___
flap covering the ear opening
if there is severe eye infxn, ____ glands are involved as well.These are the swollen glands that are often present during a cold or upper respiratory tract infxn (URTI)
submandibular
manifestations of corneal edema?
1) ground glass or vaguely opaque appearance in the stroma
2) epithelial microcysts
3) stromal striae
4) gross clouding of the entire cornea
5) bullous keratopathy
what do epithelial microcysts indicate?
corneal edema
what do stromal striae indicate?
corneal edema
what does bullous keratopathy indicate?
corneal edema
what is the best way to see corneal edema?
with a very thin, sharply focused optic section
what is corneal edema associated with?
a variety of degenerative, dystrophic, inflammatory, and infectious conditions
what contributes to eyelid swelling?
increased vascular permeability and vessel dilation
what is protective ptosis?
when the upper eyelid partially closes to protect the cornea
SEI =
subepithelial infiltrates

CORNEAL infiltrates
SEI occur in what part of the eye?
the superficial corneal stroma, just beneath the epithelium
how do SEI look like?
gray-white
what is the histopathological definition of SEI?
infiltration of WBCs out of the limbal BVs into the subepithelial space in response to some insult (infxn, inflammation)
____ often form as sequelae to PEK, producing a more intense epithelial-subepithelial involvement
infiltrates
Often, the epithelium will heal 1st, leaving the ______
subepithelial infiltrates
what is a sterile ulcer
- INFILTRATE
-epithelial erosion that is caused by any process OTHER THAN AN INFXN
infiltration in CONJUNCTIVAL stroma=
papilla
infiltration in CORNEAL stroma =
SEI
1) small areas of epithelial loss =

2) larger, geographical areas (not pinpoint) areas of epithelial loss =
1) PEK

2) ulcer
what is a true ulcer?
when the SURFACE of a tissue or organ has been eroded or otherwise damaged, in a measurable area
describe the types of ulcers
1) sterile = non-infectious
2) infectious = bacterial, fungal, viral, or protozoan
what is the most common type of sterile ulcer? describe it
shield ulcer - large areas of corneal epithelium removed by scraping from giant papilla on upper lids
infections that cause corneal ulcers are collectively called ______
microbial keratitis
typically, a corneal ulcer refers to __________
an infectious process
most common cause of corneal ulcer?
bacterial keratitis
another name for petechial hemorrhages?
punctate hemorrhages
what are petechial hemorrhages?
pinpoint or splotchhy hemorrhages
petechial hemorrhages are usually found in what part of the eye?
superficial palpebral or bulbar conj
what are petechial hemorrhages associated with?
associated w/ any moderate to sever inflammation or infxn
____ are sometimes seen in scuba divers after a deep dive
petechial hemorrhages
____ are sometimes seen after a bout of crying/eye rubbing OR in patients w/ poor sleep habits
petechial hemorrhages
what are the 2 things that the word 'filament' refers to
1) mucus strands in the tear film
2) filaments associated w/ filamentary keratitis (result of aberrant epithelial healing from any epithelial disorder)
what is a pseudomembrane?
conjunctival epithelial hyperplasia
causes of pseudomembrane?
severe infxn or inflammation
what are true membranes?
fibrin cellular debris
which indicate an even MORE severe inflammatory response, pseudo or true membranes?
true membranes
which cause significant bleeding when peeled from the conj, pseudo or true membranes?
true membranes
what is the end result of a wide variety of severe inflammations?
conjunctival scarring
name some of the things that conjunctival scarring can cause
1) entropian
2) trichiasis
3) dry eye
4) symblepharon
what is a symblepharon?
adhesions b/w the conj of the lids and the globe

(forms after trauma, burns, infxins, etc)