Lab - Eye Exam

Question 1

Hyphema?

Answer 1

blood in anterior chamber of the eye from trauma and clotting disturbances

Question 2

Caloric reflex?

Answer 2

COWS

cold –> opposite, Warm, Same

Question 3

Wiggle test does what?

Answer 3

tests for peripheral Vision

Question 4

Retinoblastoma?

what is it the rare cause of?

when is it diagnosed

most common presentation?

Answer 4

neuroectodermal malignancy coming from embryonic retinal cells

Rare cause of childhood blindness

usually before 5

leukocoria

Question 5

Orbital Compartment Syndrome?

what’s happening?

what do patients present with?

if not treated what happens?

Answer 5

Ophthalmologic emergency caused by trauma leading to retrobulbar hematoma.

blood is collecting in the bony confines of the orbit leading to increased intraocular pressure

progressive pain, diplopia, proptosis, diffuse subconjunctival hemorrhage and chemises

permanent vision loss

Question 6

What is a fluorescein stain used for?

Answer 6

epithelial defect + corneal abrasion

Question 7

Viral Conjunctivitis

1) what do patients complain of?
2) what kind of discharge compared to bacterial?
3) most common virus?

Answer 7

gritty or sandy feeling in eyes

clear vs yellow

adenovirus

Question 8

Leukocoria is what?

what does it indicate?

Answer 8

“white reflex”

indicates a serious pathology in the eye caused by congenital cataract

also indicator of retinoblastoma, retinal detachment.

Question 9

Bacterial Conjunctivitis?

how is it spread?

what can happen when you’re sleeping?

most common culprit?

Answer 9

pink eye –> spread by direct contact

can be matted shut during sleep

S. aureus