Ophthalmology - Abo/okap - Cornea

Front 1

Which bacteria can invade intact epithelium?

Back 1

Mneumonic Nerd SCHooL: neisseria, shigella, corynebacterium diphtheriae, haemophilus sp., listeria

Front 2

Findings of discoform keratitis

Back 2

stromal edema, KP, uveitis (no epi findings)

Front 3

HEDS & oral acyclovir with HSV keratitis

Back 3

not beneficial for resolution. There was improved VA @ > 6mo.

Front 4

Growth plates for acanthamoeba

Back 4

agar with E. coli or Enterococcus (ameoba's eat bacteria) > blood/chocolate

Front 5

Most common cause of bilateral intersticial keratitis?

Back 5

congenital syphillis - can occur 10-20 yrs of age

Front 6

Tx for OCP

Back 6

oral dapsone & steroids

Front 7

DDx for filamentous keratitis

Back 7

[any dry eye syndrome], prolonged patching

Front 8

Stromal dystrophies with recurrent erosion

Back 8

Reis-Buckler, Granular, lattice

Front 9

Fleck dystrophy
1. Signs and symptoms
2. Associated ocular d/o's

Back 9

1. aSx, nonprogressive gray-white coma shaped opacities in stroma
2. Many, but the list includes K-cone, atopy, PXE

Front 10

Initial Tx for alkali injury

Back 10

irrigation, debridement, bandage CTL, (no steroids for first 7 days)

Front 11

what ventilator adjustment can decrease vitreaous pressure

Back 11

hyperventilation

Front 12

What color should the storage fluid be for donor coneas

Back 12

pink, yellow-orange could indicate microbial contamination

Front 13

PKP in children:
1. sizing
2. support
3. f/u
4. suture removal

Back 13

1. undersized graft
2. scleral support is crutial (flaccid sclera)
3. frequent postop f/u
4. early removal of sutures (at times 2-4wks postop)

Front 14

Where is the cornea thinnest?

Back 14

I/T

Front 15

What % of endothelial graft have rejection?

Back 15

20-25%

Front 16

Posterior polymorphous corneal Dystrophy:
1. inheritance pattern
2. signs
3. laterality
4. Associated eye Dz

Back 16

1. Aut dominant
2. cluster of vesicles with surrounding haze, may have iris atrophy, corectopia and I-C adheasions
3. bilateral (asymetric)
4. Glaucoma 10-15%

Front 17

DDx for folicular conjunctivitis (5)

Back 17

EKC, HSV, Chlamydia, Mulluscum, topical drugs

Front 18

Lowenstein-Jensen agar

Back 18

mycobacteria

Front 19

Sabouraud's agar

Back 19

fungal

Front 20

Calcofluor white

Back 20

stain that binds to fungi and acanthamoeba

Front 21

Blood agar in CO2 at 37*

Back 21

Moraxella

Front 22

Haemophilus growth plate

Back 22

must have Hemin and nicotinamide adenine dinucleotide (NAD). Chocolate agar will work.

Front 23

Natamycin is used with what type of fungus?

Back 23

used for filamentous fungi

Front 24

Acyclovir dosing

Back 24

HZV: 800mg 5x/d x7d
HSV: 400mg 5x/d x5d HEDS - not beneficial in epithelial

Front 25

Famciclovir dosing

Back 25

HZV: 500 tid x7d
HSV: 500 bid x5d ?benefit - HEDS

Front 26

valacyclovir dosing

Back 26

HZV: 1000 tid x7d
HSV: 500-1000 bid x5d ?benefit - HEDS

Front 27

Megalocornea
1. inheritance
2. associations (5)

Back 27

1. X-linked
2. Downs, Marfans, Alports, craniosynostosis, facial hemiatrophy

Front 28

Peter's anomaly:
1. inheritance
2. genetics
3. systemic findings
4. laterality

Back 28

1. sporadic
2. PAX6 Chrom11
3. cardiac, craniofacial, skeletal abnormalities
4. Bilateral 80%

Front 29

Name three disorders with blue sclera

Back 29

Osteogenesis imperfecta
Turner's syn
Hurler's syn (mucopolysaccharidosis type 1)

Front 30

Ocular findings in fetal alcohol syndrome (8)

Back 30

epicanthal folds, strabismus, blepharophimosis, long lashes, microphthalmia, telecanthus (not hypertelorism), anterior segment dysgenesis, persistent hyaloid vessel, tortuous retinal vessels, ON hypoplasia

Front 31

1. Where is the most flat corneal meridian associated with a limbal dermoid
2. Growth rate of a limbal dermoid

Back 31

1. Adjacent to the dermoid
2. slow

Front 32

GPC:
1. CTL association
2. Tx
3. other associations

Back 32

1. Typically soft CTL
2. Mast cell stabilizers, corticosteroids,
3. Prosthetic, suture

Front 33

Meds that cause corneal verticillata (6)

Back 33

amioderone, chlorpromazine, chloroquine, indomethacin, meperidine, tamoxifen

Front 34

Cystinosis
1. inheritance
2. types
3. corneal presentation

Back 34

1. Autosomal recessive
2. Infantile (more severe, death by puberty) & adolescent (minimal systemic findings)
3. central deposits in anterior stroma which progress to the entire cornea

Front 35

Identify a beneficial aspect to Kayser-Fleischer rings in Wilson's Dz

Back 35

They can be used to monitor Tx

Front 36

Spheroidal degeneration:
1. gender and other associated features
2. laterality
3. S/Sx

Back 36

1. Males>FM, sun exposure
2. bilateral
3. aSx, protein deposits in superficial stroma

Front 37

Mooren's ulcer
1. S/Sx
2. Path findings
3. types

Back 37

1. Severe pain, Conjunctival injection
2. Ig, complement & plasma cells
3. older adults, responds to steroids, perf rare; young black males, rapid progression, poor response to Tx

Front 38

Pellucid marginal degeneration
1. typical age group
2. common demographics
3. laterality

Back 38

1. 20-40y/o
2. European & Japanese
3. Bilateral

Front 39

Cong Hereditary stromal dystrophy
1. inheritance
2. s/Sx
3. corneal pattern

Back 39

1. aut dominant
2. aSx, feathery opacity of ant stroma, decreased Va. No edema
3. clear periphery

Front 40

4 causes of GPC

Back 40

atopic or vernal keratoconj., CTL, prosthetic

Front 41

the most common and least informative location for papilla

Back 41

sup aspect of the superior tarsus

Front 42

Pseudo membrane occurs in which type of kerato conjunctivitis?

Back 42

Vernal
OCP
Iligneous
Stevens-Johnson

Front 43

What is another name for Ziehl-Neelsen Stain

Back 43

Acid Fast Stain

Front 44

Identify:
1. Molds
2. Yeast
3. Dimorphic fungi

Back 44

1. Fusarium, Aspergillus, Mucor (many other)
2. Candida, Cryptococcus
3. Histoplasma, Blastomyces, Coccidioides

Front 45

Cryptococcus
1. most common manifestation
2. least common manifestation

Back 45

1. Endophthalmitis
2. keratitis

Front 46

This virus can worsen xerophthalmia

Back 46

measles

Front 47

Where do latent herpes 1 virus reside?

Back 47

Gasserian (trigeminal) ganglion

Front 48

What is an area of PMN's around and area of edema called?

Back 48

Wessely's ring

Front 49

Topical steroids should be restricted to what timeframe regarding chemical injuries? Why?

Back 49

5-10 days. If it is used longer it can increase the risk of corneal melt.

Front 50

What is Munnerlyn's formula?

Back 50

It predicts the depth (microns) of ablation in PRK.
depth = diopters of myopia/3 x optical zone^2

Front 51

Describe the program that WHO instituted to reduce trachoma

Back 51

SAFE - surgery, antibiotics, face cleaning, environmental improvements

Front 52

How many eye cases of chlamydia are there world wide

Back 52

150 million

Front 53

the most common location of origin for surface neoplasia of the eye is what location?

Back 53

limbus

Front 54

What is the main histologic difference between adenexal and epibulbar dermoids is what?

Back 54

adnexal: cystic
epibulbar: solid

Front 55

"bag of worms" =

Back 55

plexiform neurofibroma

Front 56

lacrimal gland enlargement and SLK.
Dx?

Back 56

Mikulicz syn
- caused by sarcoid

Front 57

HZV of ear and 7th N paralysis.
Dx?
prognosis?

Back 57

Ramsay-Hunt syndrome
Poor prognosis 10% regain complete fxn. 66% regain partial fxn

Front 58

Name four corneal dystrophies with the same genetics.

Back 58

Lattice
Avellino
Reis-Buckler
Granular

LARGe is BIG (BIGH3)

Front 59

Pigmented lesion of bulbar conjunctiva with clear cysts grossly.
Dx?
Tx?

Back 59

Conjunctival nevus
observe

Front 60

Likelyhood of dystrophy recurrence in K graft?

Back 60

Last Graft Made
Lattice > granular > macular

Front 61

Systemic amyloid with masked face, cranial and peripheral palsies.
Dx?

Back 61

Meretoja's syndrome

Front 62

Inheritance of corneal dystrophies?

Back 62

AD
except: Gelatinous drop like, Macular, CHED all AR
Lisch X-linked

Front 63

Placement of tissue inside the cornea is called what?

Back 63

keratophakia

Front 64

Placement of tissue on the surface of the cornea is called what?

Back 64

epikeratoplasty