CE Test Questions
TRIVEX Material: Still a New and Growing Lens Category

Exam Questions
1. Trivex material is used for kids for all of these reasons except:

    A. Extreme impact resistance
    B. Color
    C. UV absorption
    D. Finished and semi-finished availability
2. All of the following are reasons Trivex material is considered as a replacement for CR-39 material except:

    A. It has the clarity of CR-39 material
    B. Provides increased value
    C. Can be made thinner and lighter
    D. It is only good for Rxs beyond +/-4 diopters
3. A lens material is the foundation for lenses because:

    A. The interaction of its properties forms the final lens characteristics
    B. The index is the most important attribute
    C. The clarity is the only consideration
    D. Only impact resistance matters
4. The thinness of lenses made with Trivex material is a product of:

    A. Index and impact resistance
    B. Impact resistance only
    C. Specific gravity
    D. Abbe value
5. All of the following affect the lightness of Trivex lenses except:

    A. Index
    B. Impact resistance
    C. Specific gravity
    D. Abbe value
6. Lenses made with Trivex material are approximately:

    A. 40 percent thinner and lighter than CR-39 material
    B. 25 percent thinner and 10 percent lighter than high index
    C. 15 to 20 percent thinner and a third lighter than CR-39 material
    D. 10 percent thinner than polycarbonate
7. The most appreciated attribute of eyewear and its lenses is reported to be:

    A. Thinness
    B. Lightness
    C. Clarity
    D. Impact resistance
8. In lenses, a material used with a higher Abbe number, comparing equivalent prescriptions and designs, results in:

    A. A larger clear field-of-view
    B. Thinner lenses
    C. Increased impact resistance
    D. Better scratch protection
9. The protective qualities of lenses made with Trivex material include all of the following except:

    A. 100 percent UV absorption
    B. Short wavelength blue light absorption
    C. Create compression mounting issues
    D. Extreme impact resistance
10. High material tensile strength and virtually no notch sensitivity can:

    A. Solve cracking problems before they start
    B. Increase breakages and remakes
    C. Create compression mounting issues
    D. Make lenses that crack easily
11. CR-39 lenses too thin at the edge and used in a grooved semi-rimless frame:

    A. Can chip and flake during insertion and removal
    B. Have excellent durability
    C. Are the preferred material by labs
    D. Never chip and flake
12. When making glasses for children, do all of the following except:

    A. Give them precise and sharp vision
    B. Consider their active and unpredictable lives
    C. Provide UV and impact protection
    D. Use CR-39 or high-index material only
13. It's estimated that ___ of what children learn in their first ____ years comes through their eyes.

    A. 80 percent, 12
    B. 80 percent, 8
    C. 20 percent, 12
    D. 60 percent, 8
14. The crystalline lens of a child's eye is virtually ___________ and offers very little UV protection for the retina.

    A. Opaque
    B. Translucent
    C. Transparent
    D. Balanced
15. The eyes of a child under the age of ____transmit over ____ of UV radiation compared with ____ in adults older than ____ years.

    A. 10, 25 percent, 75 percent, 25
    B. 10, 12 percent, 10 percent, 25
    C. 10, 75 percent, 10 percent, 25
    D. 10, 75 percent, 25 percent, 10
16. Which of the following impact and protection attributes are true of Trivex material?

    A. Has reduced FDA drop ball impact standards for dress eyewear
    B. Cannot meet Z87.1 safety standards
    C. Blocks 100 percent of UV rays
    D. Absorbs all blue light
17. __________ should choose the base curve when filling a new Trivex material progressive prescription.

    A. The laboratory surfacing the lens
    B. The doctor that writes the Rx
    C. The optician ordering the Rx
    D. The patient
18. All of the following are true about edgers to handle Trivex material except:

    A. Adding direct drive motors
    B. Internal software modifies wheel speed
    C. Drain holes have been made larger
    D. Edging time is now five times longer
19. An impediment to new products that reduces usage that has been solved by manufacturers of Trivex material is:

    A. Availability of limited lens styles and designs
    B. Availability of increased numbers of freeform lens designs
    C. Reduced surfacing and edging capability
    D. Availability from only three manufacturers
20. The best lens solutions for patients are the result of:

    A. Lens material property interactions
    B. The patient's budget
    C. Only managed vision care allowances
    D. CR-39 flat top bifocals

Evaluation Questions

21. In questions 21-25 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: