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| 1. Which of the following is NOT affected when introducing an uncorrected Rx into a wrap frame? |
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A.
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Prism |
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B.
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Sphere power |
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C.
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Cylinder power |
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D.
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PD |
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| 2. Wrap optimization is best for what products? |
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A.
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6-base optical frames |
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B.
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8-base wraps using full-rim or 3-piece mounting |
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C.
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Wraps using Rx clips |
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D.
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Magnetic clips |
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| 3. When spotting a finished wrap Rx job, which measurement should match the patient's Rx? |
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A.
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The back vertex power |
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B.
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The power measured in the “as-worn” position |
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C.
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The add power |
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D.
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None of the above |
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| 4. Which of the following should not be filled in wrap eyewear? |
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A.
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-1.00D single-vision |
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B.
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Flat-tops and round-segs |
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C.
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Soft-design progressives |
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D.
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+4.50D single-vision Rx |
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| 5. A base curve change from the original Rx to a wrap Rx requires what action? |
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A.
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Force the patient's original base curve into the 8-base frame. |
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B.
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Grind the “dumb Rx” so the patient gets what they're used to. |
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C.
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Order a wrap-corrected Rx and explain the slight differences in magnification. |
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D.
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Change all the patient's frames to 8-base. |
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| 6. Of the following lab processes, which is NOT affected by wrap processing? |
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A.
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Surfacing |
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B.
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Tracing |
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C.
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Tinting |
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D.
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Edging |
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| 7. The “as-worn” measurement refers to: |
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A.
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The vertex distance |
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B.
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The lens power as measured normally in a lens meter |
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C.
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The power measured along the patient's visual axis |
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D.
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The temple length |
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| 8. A -800D prescription is not recommended for wraps because of: |
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A.
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Edge thickness |
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B.
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Lens weight |
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C.
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Surfacing difficulty |
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D.
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all of the above |
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| 9. Which is NOT a good way to provide correct panto and cheek coverage in a molded plastic frame? |
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A.
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Select from different lens depths |
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B.
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Try different models to see which fits best |
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C.
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Heat and bend the frame to adjust panto |
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D.
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Choose a model with adjustable temples |
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| 10. Which is NOT a reason to choose a clip Rx solution? |
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A.
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Patient wants interchangeable lenses |
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B.
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The style that fits best happens to be a clip |
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C.
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Clips provide wrap correction |
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D.
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The patient sometimes wants to wear contacts with their sunglasses |
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| 11. What are the advantages of wrap-corrected 3-piece or full-rim styles compared to clips? |
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A.
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Wider field of view |
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B.
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Simple to interchange lenses |
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C.
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Better optics |
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D.
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both a and c |
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| 12. When drilling a 3-piece wrap, the holes should be: |
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A.
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Cut large to allow heat expansion |
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B.
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Drilled perpendicular to the lens to mimic the wrap of the plano |
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C.
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Drilled with standard tilts on a drill press |
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D.
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None of the above |
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| 13. Which of the following should be checked when fitting wraps for Rx? |
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A.
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Frame stability at the nose and temples |
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B.
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Lens coverage |
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C.
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Lash crash |
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D.
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All of the above |
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| 14. To get the best results in a wrap Rx with your lab, you should: |
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A.
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Send them the corrected Rx you calculated in your office |
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B.
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Send the original Rx and an electronic trace of the frame |
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C.
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Call to discuss their procedures for wraps, then send the frame and the original Rx |
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D.
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Wait till the job comes back and see how they did |
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| 15. To fit a wrap frame to a patient with a smaller face, you should: |
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A.
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“Re-wrap” the frame by bending the bridge. |
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B.
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Steer the patient back to conventional optical frames. |
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C.
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Select a wrap style that comes in multiple sizes. |
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D.
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None of the above. |
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