Vision Paper “A” Theory Exam – VSENG0422 – PNG

Complete the sentence:

The blink reflex…….. :

The sclera, known as the white of the eye is responsible to:

Rods are photoreceptors that distinguish _____________.

Cones are photoreceptors that distinguish _____________.

Light stimulates the nerve cells and send a message via the optic nerve to which part of
the brain?

Depth perception allows humans to see in 3-D which is?

Figure A:

Figure A is an example of what type of depth perception?

Trauma is the leading cause of unilateral blindness and visual impairment:

The agricultural industry has the highest rate of superficial eye injuries:

Vision assessments should take into account 2 important things, what are they:

Figure B:

What industry is depicted in Figure B?:

Figure C:

Using Figure C, which industry is depicted?:

Figure D:

What are the expected visual risks for workers in the industry associated with Figure D?:

Automated vision screeners can conduct the full assessment of the eyes and vision:

The Merchant Shipping Act, No.57 of 1951 makes special reference to seafarers with regards to?

Figure E

Using Figure E, match the type of vehicle to National Road Traffic Act Categorisation?

Who is excluded from COID Act?

A vision protection program (VPP) is a programme aimed at the prevention of visual impairment and injury:

Figure E

Using Figure E, what type of vehicle category as per SASOM guidelines is depicted and
does not fall under the NRTA:

A vision protection programme (VPP) needs to be reviewed at intervals not exceeding
two years or as soon as there has been a significant change in?

Figure F

Using Figure F – Hierarchy of Controls, which is the best method or highest method of
control?

Which of the Hierarchy of Controls is described / explained below ?

Change the way people work:

Does the automated vision screener need annual calibration?

Eyestrain as a result of (caused by) exposure to computers / digital glare is common.
Identify which 4 ocular (eye) symptoms are related to this type exposure?:

In preparation for vision testing, the following environmental principles need to be
adhered to except?:

In preparation for vision testing, the below list of hygiene principles needs to be
adhered to except?:

What training should be provided to workers about eyes, vision and ocular health?

Identify 6 points from the list below:

Far visual acuity is tested using the following 2 charts?:

Near visual acuity is tested using the following 3 charts?:

An accurate vision screening report will include the measurement of visual acuity for?:

Figure F

Using Figure F, what is being assessed AND what is used to do the assessment?:

When taking a detailed history (before vision screening is done) what 5 points should
be covered:

The results of a far visual acuity test, tested with a 6m Snellen chart will be inaccurate or invalid if the following 3 errors occur?:

A person (worker requiring a vision screening assessment) who usually wears spectacles and who has forgotten their glasses at home must?:

Figure G

During an examination of the eye, using Figure G, would the findings be normal or abnormal?:

Figure H

Using Figure G, what type of abnormality is depicted in the left eye?:

When assessing the eyelids, the following is assessed except?:

When assessing the colour, vascular patterns, nodules and swellings of the conjunctiva
and sclera, what would NOT be applicable?:

Figure I

Using Figure I, what condition of the eye is depicted?:

What is the minimum visual acuity required to drive (A1, A, B or EB) in terms of the National Road Traffic Act No 93 of 1996?:

What is the minimum visual acuity required to drive (C1, C, EC1 or EC) in terms of the National Road Traffic Act No 93 of 1996?:

In terms of the SASOM guidelines a Category D PrDP authorises?:

Can a person operate or drive a moving vehicle at night if he/she has night blindness and wears glasses?:

Figure J

Using Figure I provided, what is being assessed?:

Figure K

Using Figure K, is the assessment normal or abnormal?:

Figure L

Using Figure L, what is being assessed?:

A vision screening test usually measures all of the listed assessments except?:

Figure M

Using Figure M, what is being tested?:

Common errors in vision testing are 3 of the following?:

When recording the result of the eye test always record the following, except?:

Depth perception testing is also known as?:

What tests can be used for depth perception testing, identify 3?:

What does “PEARRLA” / “PERRLA” stand for?:

What does this ““, an abbreviation for a normal result, stand for?:

What does this ““, an abbreviation for a normal result, stand for?:

In South Africa, all occupational health records should be kept for?

What should be recorded on a vision screening report apart from name, age,
occupation and date? Identify 11 from the list provided.

What should a legend (on a vision report) contain?:

What tests should be included when performing a non-automated vision screening
test on a (normal vehicle) driver? Identify 10 from the list provided.