POST TEST FOR MODULE 15:   Visual Fields - Advanced Concepts       Catalog     Home 

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1. In automated visual field testing, the threshold is defined as:

A. that level of light intensity that the patient responds to 100% of the time

B. that level of light intensity that the patient responds to 50% of the time

C. the brightest light that the patient can see

D. the dimmest light that the patient can see

2. A stimulus that is brighter than the threshold is termed:

A. subthreshold

B. infrathreshold

C. suprathreshold

D. orthothreshold

3. Presenting stimuli above and below the threshold value is called: 

A. value testing

B. suprathreshold testing

C. subthreshold testing

D. bracketing

4. Most automated perimeter screening strategies use:

A. suprathreshold testing

B. infrathreshold testing

C. threshold testing

D. bracketing

5. The SITA strategy was designed to:

A. test for cortical defects

B. increase testing time to increase the accuracy of the test

C. reduce visual field testing time

D. test every point in the visual field

6. Compared to regular threshold testing results, SITA results will have:

A. dB values that are generally higher

B. dB values that are generally lower

C. the same dB values

D. more accurate threshold values

7. SWAP visual field testing uses:

A. a white stimulus on a white background

B. a blue stimulus on a yellow background

C. a yellow stimulus on a blue background

D. a black stimulus on a white background

8. Which is true of SWAP visual field testing?

A. older patients tolerate SWAP testing well

B. SWAP testing is not affected by cataracts

C. SWAP testing takes longer than standard perimetry

D. SWAP testing does not detect field defects sooner than standard field testing

9. Which of the following may manifest itself as non-physiologic visual field loss?

A. glaucoma

B. optic neuritis

C. malingering 

D. retinal detachment

10. Binocular field testing is used to map areas of:

A. glaucomatous field loss

B. double vision

C. decreased retinal sensitivity

D. normal retinal sensitivity

11. Which is not true of binocular field testing? 

A. a correction is used if necessary

B. the patient follows the stimulus

C. head movement is allowed

D. both eyes are open

12. Esterman Functional Tests were developed to:

A. evaluate visual capability with an automated perimeter

B. give an earlier indication of glaucomatous field loss

C. reduce threshold testing time

D. test the reliability of the automated perimeter

13. Fluctuation is a measure of:

A. the number of defects in the visual field

B. the severity of the defects in the visual field

C. the average dB level

D. the consistency of the patient's responses

14. On a map of a kinetic visual field,  a defect mapped with isopter boundaries that are close together would indicate:

A. a scotoma with sloping margins

B. a scotoma with steep margins

C. a normal visual field test

D. an unreliable test

15. On the grayscale graph of the Humphrey Field Analyzer, a black area surrounded by a wide dark gray area, surrounded by a light gray area would indicate:

A. a scotoma with sloping margins

B. a scotoma with steep margins

C. a normal visual field test

D. an unreliable test