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| 1. The optical spectrum includes |
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A.
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Infrared light |
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B.
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Visible light |
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C.
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Ultraviolet light |
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D.
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All the above |
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| 2. At 8 years of age, the lens of the eye transmits approximately what percentage of UV rays to the retina? |
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A.
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78% |
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B.
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25% |
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C.
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75% |
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D.
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20% |
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| 3. Using an aspheric plus lens for higher powers will always produce |
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A.
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An unacceptable interior nasal thickness |
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B.
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An edge thickness greater than 1.3 mm |
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C.
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A more attractive sunglass |
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D.
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A thicker edge and a heavier lens |
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| 4. A good lens choice offering sun protection for children is |
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A.
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Grey polycarbonate |
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B.
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Polarized trivex |
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C.
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Photochromic brown |
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D.
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All the above |
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| 5. Which lens color is NOT recommended for children |
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A.
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Grey-green |
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B.
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Blue |
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C.
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Brown 70% |
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D.
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Melanin |
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| 6. Children are more susceptible to damage from the sun's rays because |
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A.
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Their visual systems are not fully developed |
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B.
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The lens of the eye is so clear |
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C.
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Their iris is thinner |
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D.
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The ciliary process is underdeveloped |
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| 7. The primary reason parents do not purchase sunwear for their children is because |
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A.
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Of cost constraints |
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B.
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Sunglasses are lost too frequently |
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C.
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They don't understand the need |
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D.
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All the above |
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| 8. Ultraviolet sunrays have been linked to |
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A.
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Macular degeneration |
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B.
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Retinal blastoma |
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C.
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Nystagmus |
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D.
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Strabismus |
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| 9. A lens material recommended for children is |
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A.
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CR 39 |
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B.
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Trivex |
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C.
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Polycarbonate |
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D.
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B and C |
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| 10. The type(s) of light suggested to cause eye damage is |
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A.
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UV and Blue |
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B.
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IR and UV |
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C.
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UVA and UVB |
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D.
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All the above |
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| 11. To decrease risk of injury, all sunglass lenses for children should have |
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A.
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Rolled edges |
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B.
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Split bevels |
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C.
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Minimal thickness exceeding the interior eyewire |
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D.
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3 mm center thickness |
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| 12. Risks of developing sun-related eye disease increase if you |
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A.
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Are exposed after 6 months of age |
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B.
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Live in North America |
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C.
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Are exposed after 10 years of age |
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D.
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Live in the mountains |
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| 13. The most important fitting consideration when selecting a sunlass frame for a child is |
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A.
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Age of the child |
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B.
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Frame color |
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C.
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The child's bridge |
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D.
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The lens color |
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| 14. The UVB light range is approximately |
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A.
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290 to 320 nm |
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B.
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200 to 290 nm |
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C.
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500 nm |
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| 15. Which statement is correct? |
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A.
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40% of ultraviolet light exposure occurs before age 18. |
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B.
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At birth, almost all blue light reaches the retina |
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C.
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Lenses that block some of the visible light enhance color perception |
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D.
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Blue light does not damage the retina |
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| 16. Currently most intraocular lenses block |
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A.
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Ultraviolet rays |
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B.
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All blue light |
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C.
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All IR |
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D.
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Only visible light |
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| 17. The color of the sunglass frame is important to which age group? |
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A.
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Infant/Toddler |
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B.
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Preschool and School aged children |
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C.
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Tweens |
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D.
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All of the above |
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| 18. Tweens cosmetic concerns are |
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A.
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Facial balance |
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B.
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Browline placement |
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C.
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Appearance of the nose |
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D.
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All the above |
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| 19. Which statement is not true? |
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A.
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Babies less than 6 months of age should avoid sun exposure |
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B.
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Children who spend long periods playing in the snow should have sunglasses designed for the snow. |
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C.
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From the age of 3 years on, the child's nose takes on greater cosmetic importance. |
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D.
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A lower bridge will appear to shorten a longer nose. |
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| 20. The most effective method to promote the use of sunglasses for children is |
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A.
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Advertising |
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B.
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Word-of-mouth |
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C.
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Doctor's advice |
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D.
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Pamphlets |
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