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| 1. Safety eyewear has reduced workplace eye injuries ______ since 1989. |
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A.
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50% |
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B.
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25% |
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C.
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33% |
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D.
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66% |
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| 2. More than ____ of disabling eye injuries occur at home, during sports and out of doors. |
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A.
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20% |
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B.
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40% |
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C.
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60% |
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D.
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80% |
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| 3. Sunglass wearers are unaware of the advantage of safety certified sunwear because: |
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A.
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People are unaware of the potential hazards that surround them |
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B.
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Safety sunwear is not needed |
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C.
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All sunwear is safety certified |
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D.
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All of the above |
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| 4. All of the following are characteristics of safety certified sunglasses |
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A.
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Stylish |
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B.
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ANSI compliant |
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C.
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Virtually shatterproof |
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D.
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All of the above |
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| 5. Which of the following are reasons for safety sunwear? |
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A.
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Parasailing |
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B.
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Rocks kicked up on the highway |
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C.
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Wind speed when downhill skiing |
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D.
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All f the above |
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| 6. The brightness of the pavement, in bright sunshine may be ___________ the brightness of light in the shade |
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A.
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1- 2 times |
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B.
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5-10 times |
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C.
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10-15 times |
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D.
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15-20 times |
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| 7. When light is reflected off a horizontal surface, the light becomes __________ and is _________. |
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A.
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Darker, diminished |
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B.
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Polarized, diminished |
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C.
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Polarized, intensified |
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D.
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Darker, intensified |
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| 8. Ballistic testing may use a projectile of |
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A.
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65 caliber |
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B.
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50 caliber |
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C.
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15 caliber |
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D.
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10 caliber |
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| 9. For frames, the High Mass Impact and Retention Test uses a |
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A.
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Ball of 500 g, dropped 50 inches |
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B.
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Pointed projectile of 500 g, dropped 100 inches |
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C.
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Ball of 500 g dropped 100 inches |
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D.
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Pointed projectile of 500g, dropped 50 inches |
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| 10. When testing frame for High Velocity Impact and Retention, the steel ball is _______ and is shot at ______ ft/sec while _______ piece(s) is/are detached from the farme |
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A.
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0.25 in, 150, no |
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B.
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0.25 mm, 150, 1 |
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C.
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0.25 in, 100, no |
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D.
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0.25 mm, 100, no |
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| 11. For prescription and plano lenses, the safety impact test requires the use of a _______ inch steel ball dropped _______ inches. |
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A.
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5/8”, 50 |
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B.
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1”, 50 |
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C.
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5/8”. 100 |
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D.
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1”, 100 |
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| 12. For a high impact designation and the Z87-2 certification, lenses must be not less than _________mm thick at center or edge |
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A.
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1.5 |
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B.
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2.0 |
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C.
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2.5 |
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D.
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3.0 |
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| 13. The Z87 marking on frames are used when the lenses are |
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A.
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Prescription o powers less than 2 diopters |
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B.
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Powers that are greater than +3.00 in the strongest meridian |
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C.
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Rx's with cylinders less than -1.00 |
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D.
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Plano |
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| 14. A frame that is marked WX+ designates a frame that is |
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A.
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Manufactured by Wiley X |
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B.
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Capable of withstanding the high impact test |
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C.
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For non-removable lenses only |
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D.
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a and b only |
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| 15. The letter “V” is used to designate _____________ lenses. |
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A.
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Polarized |
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B.
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Photochromic |
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C.
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Plano |
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D.
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None of the above |
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| 16. A Facial Cavity™ seal is effective |
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A.
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As a component for treating dry eye syndrome |
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B.
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Close fitting to eliminate air movement |
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C.
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Reduces dehydration |
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D.
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All of the above |
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| 17. Safety prescriptions for a Wiley X Z87-2 frame are supplied by |
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A.
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HOYA lens |
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B.
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Pech Optical |
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C.
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Any Rx lab |
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D.
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a and b only |
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| 18. For high performance safety cerified sunwear |
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A.
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Any tint can be used |
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B.
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An all-purpose lens is recommended |
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C.
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The material, treatment and color must meet the most extreme of conditions the lens will be subjected to. |
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D.
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Any of the above |
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| 19. Because UVB causes burning (sunburn) and UVA ages the skin and when accumulated over a lifetime, can cause skin cancers and cataracts, use |
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A.
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Sunwear that is 100% UV absorbing |
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B.
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Always choose an ANSI Z87 frame |
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C.
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Order CR39 hard resin lenses |
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D.
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None of the above |
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| 20. To reduce the glare in bright sun when wearing sunlenses |
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A.
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Add AR to the back lens surface to reduce reflections |
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B.
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Add AR to the front surface to reduce sunburn reflections |
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C.
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Make sure that the lens/frame fits close |
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D.
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All of the above |
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