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Quiz For Intro to Low Vision Part 2 – Optical Training Institute

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Quiz For Intro to Low Vision Part 2

Quiz For Intro to Low Vision Part 2

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Question 1 of 20

1. Question

The image from fixed focus stands is intended to be viewed from

optical infinity
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60 cm
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40 cm
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10 cm
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Question 2 of 20

2. Question

Which of the following is not an advantage of magnifying spectacles

higher powers require closer reading distances
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spectacles enable the patient to use both hands
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people expect eyeglasses to help them
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they can be used for prolonged reading tasks
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Question 3 of 20

3. Question

Which of the following is not an advantage of hand magnifiers

they are a conventional and familiar aid
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they are useful for short term tasks such as reading labels
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they present a reduced visual field
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eye-to-lens distance can be varied at will
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Question 4 of 20

4. Question

Which of the following is not an advantage of telescopic systems

they are the only optical systems that provide magnification for distance
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the working distance for intermediate and near telescopes can be adjusted
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binocular correction is available in higher powers
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extra training is often required
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Question 5 of 20

5. Question

Methods of achieving contrast enhancement might include: 1) high contrast reading material 2) contrasting colors indoors 3) a line guide to isolate reading material 4) good illumination

1 & 2
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2 & 3
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1, 2, & 3
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1, 2, 3, & 4
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Question 6 of 20

6. Question

When the object itself is enlarged such as large, bold type in books, newspapers and magazines, it is an example of:

relative distance magnification
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angular magnification
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no magnification
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linear magnification
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Question 7 of 20

7. Question

Non-optical aids can improve visual function by: 1) improved illumination 2) reflection control 3) enhanced contrast 4) linear magnification

1 & 2
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1 & 3
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1, 2, & 3
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1, 2, 3, & 4
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Question 8 of 20

8. Question

Hand magnifiers are rated according to power. A 5X magnification is equivalent to

5 diopters
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10 diopters
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15 diopters
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20 diopters
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Question 9 of 20

9. Question

What non-optical aid can be used outdoors to screen out overhead glare

absorptive lenses
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a visor
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a wide-brimmed hat
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any of the above will screen out overhead glare
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Question 10 of 20

10. Question

While viewing an image with a hand magnifier, the patient

uses their distance prescription
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uses their near prescription
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uses no prescription
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uses telescopes
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Question 11 of 20

11. Question

When using a _______________ the image is intended to be viewed from a normal distance (40 cm) with 2.50 diopters of add or accommodation.

electronic magnification device
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fixed focus stand
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color filter enabler
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CCTV and HD screen
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Question 12 of 20

12. Question

With linear magnification, the object itself ____________.

becomes virtual
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produces a higher level of contrast
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requires illumination
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is enlarged
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Question 13 of 20

13. Question

Which of the following is not a type of telescope

hand held monoculars
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hand held binoculars
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hand magnifiers
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spectacle mounted bioptic position (top)
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Question 14 of 20

14. Question

What is not a good reason to use binoculars

watching birds
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viewing stars
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to view a stage
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to read a book
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Question 15 of 20

15. Question

How many centimeters is the working distance for a 4.00 D lens

25
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10
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5
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20
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Question 16 of 20

16. Question

Neutral density lenses reduce ______________________without altering color.

the distance the light travels
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the amount of light reaching the eye
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the need for the green and blue receptors to react
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the amount of illumination needed
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Question 17 of 20

17. Question

Closed-circuit television (CCTV) is ________________ .

angular magnification
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linear magnification
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referential magnification
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retro magnification
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Question 18 of 20

18. Question

What is true about a hand held tablet

they do not have dimmer controls
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they have fixed display that cannot be enlarged
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they display only in black and white
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many have voice enabled features
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Question 19 of 20

19. Question

If the patient complains of glare

high intensity lamps are not usually the best choice
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suggest they sit away from the window
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add a 50% pink tint to their lenses
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add an aid using linear magnification
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Question 20 of 20

20. Question

A typoscope is

a type of monocular
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a line guide used to isolate the reading material
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a color display magnifier
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a illumination device that creates contrast on written type
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