POST TEST FOR MODULE 12:   Visual Field Testing           Catalog      Home    

Including:
Section 1: Basic Concepts
Section 2: The Outer Limits

Section 3: Testing Methods

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Section 1

1. The presentation of a stimulus to one spot on the retina in increasing levels of intensity until it is seen describes:

A. Snellen acuity

B. an isopter

C. kinetic perimetry

D. static perimetry

2. A stimulus of a particular size and brightness is moved from the non-seeing periphery toward fixation until it is seen.  A boundary line of all such points in the visual field is called a(n):

A. decibel

B. isopter

C. apostilb

D. scotoma

3. An area of defective vision inside of an isopter is called a(n):

A. decibel

B. boundary

C. apostilb

D. scotoma

4. The point of greatest sensitivity on the normal visual field map is the:

A. fovea

B. optic nerve head

C. temporal periphery

D. nasal periphery

5. A 3-D map of the visual field is called:

A. the visual continent

B. the island of vision

C. a grayscale

D. stereopsis

Section 2

6. Which method is most efficient at measuring the outer limits of the visual field?

A. Goldmann perimetry

B. tangent screen testing

C. automated perimetry

D. the Humphrey Field Analyzer

7. What is the vertical limit (measured from the horizontal line of sight) of the normal visual field?

A. 135 degrees

B. 90 degrees

C. 30 degrees

D. 60 degrees

8. The total width of a normal monocular visual field is:

A. 180 degrees

B. 90 degrees

C. 150 degrees

D. 75 degrees

9. Which is not proper procedure for confrontation field testing?

A. have the patient count fingers

B. move your target from a non-seeing area to a seeing area

C. test the limits of the field in each quadrant

D. allow the patient to move the tested eye to search the field for the target

10. When drawing the results of a confrontation visual field, the drawing of the right eye visual field will be:

A. placed to the right of the left eye drawing

B. placed to the left of the left eye drawing

C. placed on either side

D. combined with drawing of the left eye visual field

Section 3

11. Which visual field testing method is not commonly used today?

A. Humphrey VF

B. Confrontation VF

C. Amsler grid

D. Harrington-Flocks

12. Which is not proper procedure for tangent screen field testing?

A. monitor fixation by watching the patient's eye

B. move the target from a seeing area to a non-seeing area to map a scotoma

C. seat the patient at one or two meters from the screen

D. always map the blind spot

13. Which factor is not standardized by the Goldmann perimeter?

A. background illumination

B. stimulus size

C. the presentation speed of the stimulus

D. stimulus illumination

14. Which is not proper procedure for Amsler grid testing?

A. near correction is used

B. the patient looks at the central fixation mark

C. both eyes are open

D. missing or distorted lines or squares are noted

15. Which of the following would not cause artifactual field loss?

A. glaucoma

B. a droopy eyelid

C. a wide trial lens rim

D. a small pupil