Deck 9: Ophthalmic Imaging

Question 1

Diffuse slit-lamp illumination does what?

A)Illuminates directly on site of interest
B)Illuminates the structure behind site of interest
C)Illuminates the entire area (nonspecific)
D)Illuminates the area across the surface of a structure

Answer 1

Illuminates the entire area (nonspecific)

Question 2

Fundus photography can be used to diagnose all of the following except

A)drusen.
B)neovascularization.
C)cotton wool spots.
D)thinning of the optic disc.

Answer 2

thinning of the optic disc.

Question 3

An A-scan is a(n)

A)ultrasound.
B)CT scan.
C)x-ray.
D)topography.

Answer 3

ultrasound.

Question 4

Which of the following is a technique for examining the circulation of the retina and choroid?

A)Scanning laser test
B)Intravenous fundus fluorescein angiogram
C)Fundus photography
D)Corneal topography

Question 5

Scanning laser tests can return images that indicate all of the following except

A)macular thickness.
B)ciliary body vasculature.
C)thinning of the optic nerve.
D)disc-to-cup ratio.

Question 6

In ocular photography, what does exposure refer to?

A)Amount of the eye that is visible
B)The total volume of light that hits the image sensor
C)The size of the photograph
D)The size of the aperture

Question 7

Goniography is used to view what part of the eye?

A)The anterior segment
B)The posterior segment
C)The optic nerve
D)The eyelids

Question 8

In slit-beam photography, angling the slit beam serves what purpose?

A)To adjust the shutter speed
B)Provides an appreciation for depth
C)Helps the camera focus
D)Allows the camera to photograph deeper into the eye

Question 9

To illuminate an area across the surface of a structure, what kind of slit-beam illumination do you need?

A)Direct
B)Indirect
C)Tangential
D)Retroillumination

Question 10

Which exam uses placido discs to visually and quantitatively depict the amount of astigmatism present in the cornea?

A)Fundus photography
B)Heidelberg retinal tomography
C)Corneal topography
D)Slit-lamp photography

Question 11

A 3-D image of the entire optic nerve can be attained with what diagnostic procedure?

A)Heidelberg retinal tomography
B)Fundus photography
C)GDx scanning laser polarimeter
D)Corneal topography

Question 12

A pharmacologically dilated pupil is necessary for which of the following imaging procedures?

A)Scanning laser test
B)Corneal topography
C)Diagnostic A-scan
D)Fundus photography