Eye Pathology

Question 1

Dendritic ulcers

Answer 1

HSV-1 in eye. Branching ulcers visualized with flourescein. Affected epithelial cells are multinucleated and have LIPSCHUTZ BODIES.

Question 2

Reactivation of keratitis

Answer 2

thinning of stromal layer allowing descemet membrane (basement memebrane) to bludge in causing a descemetocele. corneal proliferation is possible.

Question 3

chronic actinic keratopathy

Answer 3

noncalcified protein forms a band. due to too much UV light.

Question 4

Epithelial corneal dystrophies

Answer 4

due to faulty desmosomes causing seperation of epithelial cells. get microcycsts leading to accumulation of fluid in cysts. painful recurrent erosions. usually does not cause blindness.

Question 5

Familial subepithelial cornela dystrophy

Answer 5

amyloid beneath the corneal epithelium

Question 6

Morgangnian corpuscles

Answer 6

degnerated lens material in cataracts

Question 7

Morgangnian cataract

Answer 7

lens cortex (periphery) and lens nucleus sinks to the bottom of the lens.

Question 8

Presbyopia

Answer 8

farsightedness - can’t flatten lens, failure of accommodation as a result of aging

Question 9

Sarcoidosis in eye

Answer 9

usually bilateral, granulomatous uveitis favoring the anterior eye. can also see calcified band keratopathy, cataracts, retinal vascularization.

Question 10

flame shaped hemmorrhage

Answer 10

nerve fiber layer

Question 11

dot hemmorrhage

Answer 11

retina fiber layer

Question 12

cotton wool spots

Answer 12

ischemia of vessels to nerve fibers causes optic head to swell and look white