Eye practice quiz

Question 1

Which of the following situations are indications for ocular ultrasound?
a) Acute eye pain
b) Eye trauma or FB
c) Change in or loss of vision
d) Suspected ICP elevation
e) All of the above

Answer 1

e) All of the above

Question 2

Which is a contraindication/ relative contraindication to ocular ultrasound?
a) Intraocular FB
b) Globe rupture
c) Eye pain
d) Central retinal artery occlusion

Answer 2

b) Globe rupture

Question 3

Describe the roles of the types of transducers

Answer 3

1) Curvilinear: better for deeper structures (ex: abd)
2) Endocavitary (ex: transvaginal)
3) Linear: good for superficial structures (incl. eye)
4)

Question 4

Describe proper technique for an ocular ultrasound

Answer 4

Apply a generous amt of gel and anchor your scanning hand on a bony surface

Question 5

1) Optic nerve sheath diameter (ONSD) is measured ____ posterior to where the optic nerve sheath attaches to the retina
2) Optic nerve sheath diameter >_________ correlates with increased ICP

Answer 5

1) 3mm
2) 5mm

Question 6

Who is particularly at risk for vitreous hemorrhage?

Answer 6

Those on blood thinners or Aspirin