Chapter 8 Self-assessment Questions

Match the description below to the label in the table below these descriptions: (Fill in letter only)

A. Is defined as the inability to distinguish certain colours.

B. The pupils get smaller

C. Near sightedness

D. A type of red-green colour blindness characterized by the inability to distinguish red and green pigments.

E. A lazy eye

F. Far sightedness.

G. 3d vision

H. The gradual loss of the eyes’ ability to focus on nearby objects which starts in the mid-40s.

I. Do not see red

Why is vision screening done in the workplace?

There are 4 tests done to assess visual acuity which of the below is NOT one of the 4 tests ?

Using the picture in Figure A, label the diagram with one of the possibilities provided in a-c. (Answer with letter only)

A. Far Vision

B. Near Vision

C.  Normal Vision

Figure A

When assessing near vision, charts are used for the test, which one listed is incorrect?

A Jaeger chart should be held by the worker and the technician how far from the eyes when testing NEAR vision?

When testing depth perception what test is used?

Match the type of test in Column A to the common errors in Column B (Answer with letter only)

A. Using charts that have been photocopied

B. If the worker performs the horizontal assessment and the technician performs the vertical test

C. If the worker does not focus on the technicians’ eyes

D. Holding the chart at 80cm or more away from the person being tested

E. Testing from memory or leaning forward

Using the picture in figure B what is being assessed?

Figure B

Using the picture in figure C what is being assessed?

Figure C

A competent person in vision screening is?