CE Test Questions
Progressive Design in the Digital Age

Exam Questions
1. Even the best lens producing process

    A. can make any design better
    B. cannot deliver performance in the absence of good design
    C. cannot deliver a good design
    D. A & C
2. All of the following are progressive lens design foundations except

    A. binocularity
    B. sharp central focus
    C. natural reading posture
    D. proper distance zone placement
3. A more comfortable reading posture requires ______________ downward eye rotation

    A. less than 25 degrees
    B. less than 10 degrees
    C. more than 25 degrees
    D. about 35 degrees
4. Proper near zone placement requires knowledge of

    A. central focus displacement
    B. focal length of the add
    C. Rx prismatic effects
    D. B & C
5. Central focus can be made sharper by

    A. correcting for the effects of higher order aberrations
    B. adding prism
    C. increasing distance power by -0.25D
    D. all of the above
6. All of the following are limitations of traditional surfacing except

    A. polishing requires physical tools
    B. tools are rounded for power
    C. while fining can be done on convex surfaces, polishing cannot
    D. designs cannot be added to the rear lens surface
7. The processing technique ______________, can store millions of design files, then be modified by patient data.

    A. digital downloads
    B. digital surfacing
    C. concave spherical surfacing
    D. computer translation
8. A customized design __________________________.

    A. is always better than the original design
    B. is worse than the original design
    C. cannot be quantified
    D. is only better if customized meaningfully
9. Increased precision, in digital surfacing, means distance power may be accurate to ______.

    A. 0.06D
    B. 0.01D
    C. 0.12D
    D. 0.10D
10. Traditional progressives have their design

    A. on the lens front surface
    B. on the lens back surface
    C. either the front or the back
    D. all of the above
11. In DRx processing, the designs are located

    A. on the lens' front surface
    B. on the lens' back surface
    C. either the front or the back
    D. all of the above
12. All of the following are true about adding design to both lens surfaces except

    A. the resulting design is always better
    B. design flexibility is increased
    C. more design solutions are possible
    D. simultaneously control focus and distortion
13. A front surface +2.50D add progressive lens creates ___________ because the change in front curvature is directly linked to the change in dioptric power.

    A. focus error
    B. blur
    C. distortion
    D. all of the above
14. By disassociating the _____________ from the curvature change, ___________ can be reduced below the levels found in single surface progressives.

    A. power change/distortion
    B. power error/ distortion
    C. distortion/power error
    D. add power/power error
15. A back surface +2.50D add progressive lens creates ___________ instead of having no change in front base curve, top to bottom

    A. focus error
    B. blur
    C. distortion
    D. all of the above
16. Asphericity is a tool to reduce

    A. marginal astigmatism
    B. power error
    C. distortion
    D. A & B
17. Digital surfacing does all of the following except

    A. designers can use both sides of the lens
    B. limits the designer to a full back surface format
    C. removes tooling limitations
    D. has the potential for greater precision
18. Further customization of digitally surfaced may include

    A. personalization by head/eye turning ratios
    B. position of wear
    C. distance atoricity
    D. all of the above
19. Personalization to lens position includes consideration of

    A. vertex distance
    B. lens tilt effects
    C. wrap angle effects
    D. all of the above
20. The formats available using digital surfacing are:

    A. a single back surface combining design and Rx
    B. using 2 surfaces to create the design
    C. a single front surface design with Rx on the back
    D. A & B

Evaluation Questions

21. In questions 21-24 please rate the effectiveness of how well each course met the stated learning objectives: Met the stated learning objectives?

    A. Excellent
    B. Very Good
    C. Good
    D. Fair
    E. Poor
22. Avoided commercial bias/influence?

    A. Excellent
    B. Very Good
    C. Good
    D. Fair
    E. Poor
23. How would you rate the overall quality of the material presented?

    A. Excellent
    B. Very Good
    C. Good
    D. Fair
    E. Poor
24. How were you directed to this course?

    A. 2020mag.com
    B. OAA Website
    C. NYSSO Website
    D. Ohio Opticians Website
    E. Other
25. Please describe the office in which you work.

    A. Independent Optician
    B. Independent Optometry
    C. Chain retail
    D. HMO/Military/Other
26. Comments on this program: