COT Flashcards : Tonometry 4%

1
Q

What is the MOST significant advantage of the applanation tonometer compared with the indentation tonometer?

a. Applanation is the more modern technique
b. Applanation causes less discomfort
c. Applanation is more accurate because a negligible amount of aqueous is displaced from the anterior chamber
d. Applanation instruments are more cost effective.

A

c. Applanation is more accurate because a negligible amount of aqueous is displaced from the anterior chamber

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2
Q

Which procedure is MOST likely to give falsely elevated intraocular pressure reading?

a. Air puff tonometry
b. Applanation tonometry
c. Digital pneumotonography
d. Indentation tonometry

A

a. Air puff tonometry

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3
Q

Which of these ocular conditions is LEAST likely to render Goldmann tonometry inaccurate?

a. Keratoconus
b. Retinitis pigmentosa
c. Pterygia
d. Corneal scars

A

b. Retinitis pigmentosa

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4
Q

Intraocular pressure is highest during the

a. Morning
b. Afternoon
c. Early evening
d. late eveneing

A

a. Morning

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5
Q

What type of tonometer is mounted on a slit lamp?

a. Applanation
b. Indentation
c. Perkins
d. air puff

A

a. Applanation

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6
Q

Intraocular pressure is measured with a(n)

a. Ophthalmometer
b. Keratometer
c. Lensometer
d. Tonometer

A

d. Tonometer

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7
Q

What is the term for the tonometry technique that displaces a minimal amount of fluid?

a. indentation
b. Applanation
c. Elevation
d. fixation

A

b. Applanation

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8
Q

What color is the light filter uses in applanation tonometry?

a. blue
b. Red
c. Yellow
d. green

A

a. blue

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