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| 1. All of the following are true about drilled rimless eyewear except |
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A.
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They make up about 15% of the current market |
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B.
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Patients love rimless for its lightweight and minimal look. |
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C.
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They are easy to work with |
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D.
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The demand for rimless eyewear continues to grow |
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| 2. Many opticians are uncomfortable with rimless because |
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A.
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They require expertise developed over time |
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B.
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Adjusting requires special tools |
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C.
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Some lens materials create other issues around the drill holes |
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D.
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All of the above |
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| 3. I System Technology uniquely creates |
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A.
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A drill-less rimless |
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B.
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Rimless with only one hole |
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C.
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A visual system for better fitting |
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D.
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The right Rx in Wrap frames |
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| 4. The benefits of I System Technology are all of the following except |
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A.
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Increased visibility |
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B.
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Decreased waiting time |
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C.
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Complex fabrication |
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D.
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Reduced lens fabrication costs |
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| 5. The “wire connector insert” when tightened with the “wire tensioning screw” |
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A.
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Tightens the cable |
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B.
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Holds the lenses securely in place |
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C.
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Adds rigidity to the frame |
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D.
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All of the above |
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| 6. All of the following have been done to improve cabling performance except |
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A.
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The cable is made of 3 strong filaments |
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B.
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Multiple filaments are stranded into a single cable |
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C.
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A white platinum coating improves invisibility |
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D.
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The stranded design provides increased friction |
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| 7. For simplicity, the cable |
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A.
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Is connected by a wire connector in the end-piece |
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B.
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Is restrung each time lenses are changed |
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C.
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Is one piece and continuous through the end piece |
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D.
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Available in 3 or 5 filament designs |
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| 8. When choosing lens materials for this eyewear, which material characteristic is most important? |
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A.
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FDA impact compliance |
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B.
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Notch sensitivity |
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C.
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Tintability |
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D.
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Groovability |
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| 9. All of the following materials are preferred except |
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A.
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Trivex lenses |
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B.
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Standard hard resin plastic |
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C.
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1.6 high index |
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D.
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Polycarbonate |
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| 10. To improve the look of rimless eyewear, all of the following should be used except |
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A.
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Antireflective lenses |
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B.
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Polished edges |
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C.
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Tinted lenses |
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D.
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Higher index lenses |
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| 11. A convenient way to verify and show patients edge thinness is. |
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A.
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Use a lens chart that lists center thicknesses |
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B.
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A lens chart of availability |
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C.
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A lens chart of cross section thicknesses |
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D.
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All of the above |
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| 12. The minimum edge thickness for Pure Eyewear is |
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A.
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3.0mm |
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B.
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1.8mm |
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C.
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2.0mm |
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D.
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2.5mm |
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| 13. The minimum edge thickness is for which of the following materials? |
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A.
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Polycarbonate |
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B.
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1.6 high index |
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C.
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1.67 and 1.70 ultra high index |
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D.
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All of the above |
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| 14. In Pure Eyewear grooved lenses, the best tension and cable position comes from a groove that is 1. 0.5mm deep, 2. 0.6mm deep, 3. 0.5mm wide, 4. 0.6mm wide |
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A.
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1 and 2 only |
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B.
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1 and 3 only |
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C.
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2 and 3 only |
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D.
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1 and 4 only |
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| 15. All of the following are true about groove placement except |
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A.
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The front ledge should be a minimum of about 1mm thick |
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B.
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The groove is generally centered |
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C.
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The groove is exactly placed 0.6mm behind the front surface |
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D.
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In thicker lenses, the groove is closer to the lens front surface |
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| 16. To improve the looks of high plus lenses, consider |
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A.
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Using larger frames |
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B.
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Using aspheric design lenses that are flattened |
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C.
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Increased face form adjustments |
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D.
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Only very thick plastic frames |
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| 17. In rimless as in all frames, for horizontal alignment of a frame front, when the frame is high on the right |
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A.
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Secure the right end piece and rotate the right temple down |
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B.
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Secure the right end piece and rotate the left temple up |
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C.
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Secure the right end piece and rotate the right temple up |
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D.
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Secure the left end piece and rotate the left temple up |
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| 18. If lenses are cracking or chipping during insertion or final adjustment all of the following are correct except: |
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A.
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The lenses may be CR-39 |
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B.
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The lenses are polycarbonate or Trivex |
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C.
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The bridge has been twisted excessively |
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D.
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The lenses may be mid-index material |
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| 19. If the cable cannot be pulled over the lens edge when glazing lenses |
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A.
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The lens is probably too small |
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B.
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The lens is probably too large |
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C.
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The lens is the correct size but the cable is too long |
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D.
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The lens is the correct size but is not edge polished |
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| 20. All of the following are correct except |
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A.
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A too loose mounting may have too shallow a groove. |
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B.
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A too loose mounting may have too small a lens circumference |
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C.
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Lenses may chip when made from hard resin plastic |
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D.
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Excessive beveling can increase edge thickness |
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