CE Test Questions
Lens Hardcoating - Great Expectations Great Results

Exam Questions
1. Advances in hardcoatings provide the opportunity to

    A. Incorporate added features into the lens
    B. Use a variety of newer substrates
    C. Increase the life of the lens
    D. All of the above
2. Which of the following is not a possible direct benefit of hardcoatings

    A. Increased robustness of the lens
    B. Chemical resistance
    C. Decreased lens weight
    D. Ability to tint an untintable substrate
3. Abrasion resistance is the measurement of

    A. How hard a surface is
    B. The ability of the surface to withstand damage from rubbing
    C. The same as scratch resistance
    D. Always measured by the Steel Wool Test
4. Scratch resistance is

    A. The same as abrasion resistance
    B. The best way to determine the robustness of a lens
    C. The ability of the surface to withstand damage from contact with a sharp object
    D. All of the above
5. When applying an AR coating

    A. A hardcoat should be applied first for optimum performance
    B. It is best to have the same hardcoat on the front and back surface
    C. It is important to select a hardcoat with good compatibility to the AR formulation
    D. All of the above
6. Which of the following cannot be provided by a primer

    A. Adhesion to multiple substrates
    B. Hydrophobic performance
    C. Enhanced impact strength
    D. Better tintability
7. Tintable coatings typically

    A. Can work by allowing tint to permeate
    B. Provide the best abrasion resistance
    C. Are only applied to the back surface
    D. Never are used with primers
8. Index-matched coatings

    A. Reduce the reflection at the interface of coating and substrate
    B. Are used on all lenses
    C. Minimize birefringence
    D. a. and c.
9. Impact primers work best when

    A. Applied to the front surface
    B. Applied to the back surface
    C. Used in conjunction with an index-matched coating
    D. Applied by spin coating
10. Which of the following is not a typical advantage of thermally cured coatings

    A. Better Bayer Ratio
    B. Better AR compatibility
    C. Allow the use of a primer
    D. Faster cure time
11. Which of the following is not a typical advantage of a UV curable coating

    A. Better Bayer ratio
    B. Faster cure time
    C. Multiple substrate compatibility
    D. Good Steel Wool performance
12. Which of the following is the standard for measuring abrasion resistance

    A. Steel Wool Test
    B. Bayer Test
    C. Nanoscratch Test
    D. None of the above
13. Overcoating a lens

    A. Allows you to apply a second coating on a lens if the first is defective
    B. Provides the same base for an AR coating on both surfaces of a lens
    C. Allows the laboratory to apply premium coatings
    D. b and c
14. Dual Cure Coatings

    A. Were used in the 1970s in mass transit
    B. Combine the best of both thermal and UV cure
    C. Must be cured at the manufacturer and again at the laboratory
    D. Involve two layers of coating
15. The best way to communicate with your lab about hardcoatings is to

    A. Learn the basics of hardcoatings
    B. Define what performance you are looking for
    C. Understand the features and test methods
    D. All of the above

Evaluation Questions

16. In questions 16-20 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
17. Will help you improve patient care?

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

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

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

    A.

2020mag.com

    B.

OAA Website

    C.

NYSSO Website

    D.

Ohio Opticians Website

    E.

Other

21. Comments on this program: