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| 1. What criteria should an ECP use to choose a particular progressive for a particular patient? |
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A.
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Meets the physiological needs of the patient |
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B.
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Delivers clear binocular vision in wide comfortable fields of view |
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C.
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Materials are protective and comfortable with long time wear |
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D.
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All of the above |
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| 2. The first order effect or most important for successful and comfortable vision is the correction of |
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A.
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Binocularity or prism correction |
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B.
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Defocus |
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C.
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Astigmatism |
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D.
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Spherical aberration |
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| 3. A reduction in the crispness of vision is caused by all of the following except |
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A.
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Corneal shape |
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B.
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Small localized inconsistencies in the eye system |
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C.
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Less than 60mm PD |
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D.
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Developing cataract |
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| 4. _____________ better quantifies image quality delivered by a progressive lens so better surface designs can be created. |
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A.
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Ray tracing |
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B.
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W.A.V.E. technology |
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C.
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Binocular refraction |
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D.
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All of the above |
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| 5. W.A.V.E. technology is composed of |
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A.
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Analysis of large bundles of light over an increased number of small individual lens areas |
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B.
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Improved mold surface preparation through digital surfacing |
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C.
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More reliable prescription production over more of the lens surface |
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D.
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All of the above |
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| 6. Progressive lens patients see better if |
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A.
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They learn new vision behaviors |
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B.
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Blur boundaries between viewing zones are significantly reduced |
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C.
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Near zones are decentered 2.5mm each |
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D.
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All of the above |
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| 7. When a progressive surface is created, the steepening of the near portion creates all of the following except |
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A.
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More peripheral vertical curve change than horizontal |
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B.
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Some blur as a result of astigmatism |
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C.
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More peripheral horizontal curve change than vertical |
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D.
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The add as needed by the patient |
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| 8. The reduction in the magnitude of off-axis astigmatism bordering the intermediate and near |
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A.
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Decreases the clear field of view |
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B.
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Increases the clear field of view |
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C.
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Increases off center blur |
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D.
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Shortens the length of the corridor |
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| 9. Reducing coma in lenses |
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A.
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Reduces object size |
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B.
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Increases image flare thereby improving vision |
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C.
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Improves edge contrast, clarity and the visual experience |
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D.
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None of the above |
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| 10. Improving the width of the intermediate of the Varilux Physio progressive is the result of |
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A.
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The reduction of surface astigmatism |
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B.
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Changing the orientation of the axis to be more vertical |
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C.
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Answers a and b |
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D.
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Shortening the corridor |
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| 11. Slumping, as a mold making method |
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A.
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Limits the designers ability to convey specific design elements to a finished progressive |
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B.
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Is a one off method of producing individual progressive surfaces |
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C.
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Provides for custom progressives |
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D.
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Creates a progressive surface by direct surfacing |
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| 12. Individualized, single point cutting, a way to create specific mold surface is called |
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A.
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Slumping |
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B.
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Digital Surfacing |
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C.
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Electroform Development |
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D.
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Wave Delay |
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| 13. Varilux Physio 360? can further improve vision because the lens |
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A.
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Uses a Varilux Physio front surface and digitally adjusts the prescription back |
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B.
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Places the progressive on the back surface |
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C.
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Can provide a better solution for the higher cylinder patient |
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D.
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Answers a and c |
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| 14. Small digital changes to the ocular surface in Physio 360? |
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A.
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Improves contrast and acuity |
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B.
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Improves the width of the clear field of view |
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C.
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Restores the intended progressive design over a larger range of Rx's |
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D.
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All of the above |
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| 15. Varilux Physio 360? is used to better meet vision expectations of patients that |
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A.
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Have high prescriptions |
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B.
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Want the maximum size of available fields of vision |
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C.
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Have not adapted to other progressives |
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D.
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All of the above |
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| 16. All of the following improve the functionality of a progressive except |
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A.
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Anti-reflective surfaces |
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B.
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UV absorptive materials |
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C.
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The brand |
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D.
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Photochromics |
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| 17. To reduce and in some instances remove all glare use |
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A.
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Tints |
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B.
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AR lenses |
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C.
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Polarized |
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D.
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All of the above |
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| 18. All of the following are true about new photochromics in polycarbonate and high index materials except |
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A.
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Significantly reduce fade back times |
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B.
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Get lighter slower |
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C.
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Create 25 to 40% thinner and lighter prescriptions |
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D.
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Absorb 100% of UV radiation |
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| 19. Healthy Sight Counseling promotes |
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A.
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Quality of vision |
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B.
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Long term ocular health |
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C.
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The combination of vision wear and vision care |
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D.
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All of the above |
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| 20. When fitting progressives |
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A.
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Make sure the frame fits properly |
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B.
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Pantoscopic tilt should between 8 and 12 degrees |
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C.
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Fitting height should intersect the pupil |
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D.
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All of the above |
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