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| 1. All of the following are advantages of lenses when created using freeform except |
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A.
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Always makes any design better |
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B.
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Can deliver the design as it was intended |
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C.
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Can optimize the results considering Rx and fit |
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D.
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Can improve patients' vision through their lenses |
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| 2. Which of the following correctly describes freeform? |
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A.
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Fly cutting |
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B.
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Digital Surfacing |
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C.
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Diamond turning |
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D.
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All of the above |
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| 3. Standard front surface progressives |
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A.
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Should all be replaced with a back surface progressive |
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B.
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Will still provide the right benefits for many wearers for years |
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C.
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Have adaptation issues in about 32% of patients |
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D.
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Will be phased out in 2010 |
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| 4. A limitation of standard progressives that reduces the reading area of a lens is |
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A.
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The distance Rx prism |
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B.
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The keyhole effect |
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C.
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The PD |
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D.
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All of the above |
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| 5. Unwanted astigmatism in progressives is primarily created by |
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A.
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The curve change from distance to near |
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B.
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Variable inset |
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C.
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A toric lens surface |
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D.
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Variable bitoricity |
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| 6. The base curve of a cylinder lens typically corrects for off-axis errors |
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A.
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In both principle meridians |
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B.
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In the weakest power meridian |
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C.
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In the strongest meridian |
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D.
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All of the above |
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| 7. In variable inset, steep base curves, for plus Rx's, |
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A.
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Decreases near zone decentration |
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B.
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Increases near zone decentration |
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C.
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Makes decentration equal to a Plano Rx |
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D.
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Raises the near zone |
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| 8. Effective power is |
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A.
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The power of lenses in the as-worn position |
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B.
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Influenced by vertex and tilt |
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C.
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May be different than the prescribed Rx |
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D.
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All of the above |
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| 9. A rotational asphere has the same asphericity |
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A.
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From center to edge in all meridians |
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B.
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As a progressive |
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C.
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As the back surface of a toric lens |
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D.
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As a freeform atoric lens |
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| 10. _____________ is an integration of all the characteristics of Rx and fit to produce a progressive with the design as was intended. |
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A.
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Variable inset |
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B.
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Distortion |
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C.
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Optimization |
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D.
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Diamond turning |
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| 11. All of the following can be considered when optimizing a lens for design except |
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A.
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Prescription |
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B.
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Polarization |
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C.
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Front surface unwanted astigmatism |
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D.
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Frame size or shape |
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| 12. Personalizing progressives includes |
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A.
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Vertex distance |
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B.
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Pantoscopic or retroscopic tilt |
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C.
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Faceform or wrap |
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D.
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All of the above |
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| 13. Lenses optimized or personalized may |
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A.
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Be different in power from the prescription |
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B.
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Creates a totally new lens design for the patient |
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C.
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Increases the distance and near zone sizes only |
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D.
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A and B only |
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| 14. Moving the progressive surface from lens front to back |
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A.
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Decreases the keyhole effect |
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B.
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Increases the keyhole effect |
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C.
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Increase magnification |
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D.
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Increases distortion |
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| 15. An example of a concave only progressive is |
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A.
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Shamir Autograph II |
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B.
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Essilor DEFINITY Short |
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C.
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HOYALUX iD |
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D.
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Varilux Comfort 360? |
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| 16. An example of a Dual Add progressive is |
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A.
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Shamir Autograph II |
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B.
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Essilor DEFINITY Short |
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C.
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HOYALUX iD |
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D.
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Varilux Comfort 360? |
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| 17. An example of a progressive where the back irregular atoric is used to modify a standard front surface progressive is |
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A.
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Shamir Autograph II |
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B.
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Essilor DEFINITY Short |
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C.
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HOYALUX iD |
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D.
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Varilux Comfort 360? |
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| 18. An example of a progressive where neither surface is progressive but when combined creates an optimized design is |
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A.
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Shamir Autograph II |
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B.
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Essilor DEFINITY Short |
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C.
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HOYALUX iD |
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D.
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Varilux Comfort 360? |
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| 19. Multiple tiers of the same brand progressive provides |
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A.
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A price point for every patient |
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B.
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A variety of lens benefits to describe for patients |
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C.
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The way to answer almost any patients needs |
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D.
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All of the above |
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| 20. Future progressive optimization and personalization will include |
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A.
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Previous lens and wearing data |
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B.
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Increased use of position of wear data |
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C.
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Eye or head turning data |
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D.
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All of the above |
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