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| 1. The human vision system processes stimuli changes through a change in |
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A.
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Edges and borders |
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B.
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Color enhancement |
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C.
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Retinal receptor firing rates |
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D.
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All of the above |
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| 2. Why would humans perceive the colors of pink and brown when they are not part of a rainbow? |
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A.
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Because we posses three retinal receptor cones |
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B.
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Because the CIE color space contains pink and brown |
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C.
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Interpolating the overlapping response of the three cones |
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D.
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All of the above |
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| 3. The eye's sensitivity peaks at what wavelength? |
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A.
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555nm |
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B.
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565nm |
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C.
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545nm |
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D.
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490nm |
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| 4. What wavelength tends to stimulate one receptor in scotopic lighting conditions? |
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A.
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555nm |
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B.
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565nm |
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C.
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545nm |
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D.
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490nm |
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| 5. The benefits of authentic smart sunglass technology are now available in prescription form because the specified filter |
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A.
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Is contained on the backside of the semi-finished lens |
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B.
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Is tinted into any lens substrate desired |
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C.
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Is contained on the very front of the semi-finished lens |
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D.
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Mirror coating do most of the filtering and can be applied to any lens |
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| 6. The basic building blocks of visual reception are |
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A.
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Border-based stimulus changes |
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B.
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Color-enhanced stimulus changes |
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C.
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Changes in visual habits |
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D.
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None of the above |
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| 7. Golfers differ from boaters in that they |
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A.
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Often encounter differing brightness levels |
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B.
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Require reflective cues from grass blades to estimate ground contour |
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C.
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Prefer spiked footwear |
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D.
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A & C |
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| 8. What contributes to making a sunglass visually uncomfortable? |
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A.
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Heavy, bulky frames |
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B.
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Pinchy nosepads |
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C.
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Retinal receptor fatigue |
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D.
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A & B |
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| 9. All three cone receptors fire in combination within what wavelength range? |
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A.
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400nm to 700nm |
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B.
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490nm to 660nm |
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C.
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430nm to 680nm |
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D.
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420nm to 660nm |
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| 10. Changing the overall intensity of light is done best by |
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A.
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Decreasing background receptor firing rates |
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B.
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Increasing overall stimuli amplitudes |
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C.
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Increasing chromatic contrast |
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D.
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Increasing background receptor firing rates |
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| 11. Chromatic Contrast Control benefits tennis players by |
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A.
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Reducing background light that interfere with seeing the ball |
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B.
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Making sure everything on the court is somewhat colored yellow-green |
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C.
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Making sure the opposing player's movements are blocked from view |
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D.
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Adding blue tints to filter out green |
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| 12. When presented with a novel and new sun tint formulation, most people |
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A.
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Will find it immediately comfortable |
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B.
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Will find they require an adjustment period |
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C.
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Will prefer their old grey sunglasses |
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D.
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Will not pay more than a few dollars for it. |
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| 13. The biggest disadvantage to tinting old Rx eyewear into sunglasses is: |
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A.
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The presence of AR coatings |
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B.
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Scratches on the lenses |
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C.
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That in-office tinted products do not provide stable and lasting protection |
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D.
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Realizing less profit than selling a new pair of sunglasses |
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| 14. Chromatic Contrast is defined as the ability |
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A.
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To change color |
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B.
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To darken or lighten in response to overall brightness conditions |
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C.
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To make one color look like another |
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D.
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To discriminate colors |
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| 15. A “Just Noticeable Difference” is one that |
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A.
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Everyone would see |
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B.
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No one would see |
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C.
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Is at the very edge of perception 50% of the time |
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D.
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Is at the very edge of perception only in dark conditions |
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| 16. The overlapping nature of the eye's Tristimulus receptors |
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A.
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Increases the number of colors we can see |
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B.
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Decreases the number of colors we can see |
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C.
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Increases color discrimination |
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D.
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Increases the need for Glare Control |
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| 17. Effective solar protection includes blocking |
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A.
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UVA |
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B.
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400nm to 700nm |
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C.
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The color red |
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D.
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All the blue spectrum |
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| 18. Authentic Rx sunglasses promise performance and benefits |
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A.
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That last the life of the frame |
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B.
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That last the life of the optician |
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C.
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That last the life of the prescription |
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D.
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That last the life of the Doctor |
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| 19. The most significant impact liability with sunglasses is protecting |
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A.
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The cornea |
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B.
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The tissues surrounding the eye |
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C.
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The retina |
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D.
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The eye and face from compounding eye or facial injury |
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| 20. SunFamiliarity is the habit of |
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A.
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Recommending or using the same color sunglasses year after year |
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B.
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Taking the time to walk outside on any sunny day |
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C.
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Seeing relatives you know at a family picnic |
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D.
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Taking in too much solar exposure |
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