CE Test Questions
Understanding and Working with Toric RGP Lenses

Exam Questions
1. Which of the following considerations is toric RGP lenses indicated for?

    A. High amounts of corrected astigmatism
    B. High corneal toricity
    C. A and B
    D. High minus prescriptions
2. Writing lens base curves in diopters instead of millimeter radius helps to:

    A. Easily calculate corrections
    B. Easily understand how base curves relate to keratometer readings
    C. Diopters are more reliable
    D. Millimeters can't be added or subtracted in the U.S.
3. A lens with one power and one curve is a:

    A. Spherical design
    B. Bitoric design
    C. Front toric design
    D. Back toric design
4. Why is prism ballast ordered?

    A. To make the lens more comfortable
    B. To correct an inward turning eye
    C. To correct an outward turning eye
    D. To keep the lens from rotating
5. Which of the following lenses has prism ballast and a dot at 6:00 for alignment and verification?

    A. Back toric design
    B. Front toric design
    C. Spherical design
    D. Bitoric design
6. If a prism alignment dot is at 7 o'clock, order the remake:

    A. With more cylinder power correction
    B. With more axis correction
    C. With less axis correction
    D. With less cylinder power correction
7. A lens with two powers and one curve is a:

    A. Back toric design
    B. Bitoric design
    C. Front toric design
    D. Spherical design
8. A lens with one power and two curves is a:

    A. Front toric design
    B. Bitoric design
    C. Spherical design
    D. Back toric design
9. Which lens design would be used for the following prescription, -2.50-5.00x170, 42.50/450?

    A. Spherical design
    B. Back toric design
    C. Bitoric design
    D. Front toric design
10. If a prism-ballasted lens rotates too much you might try:

    A. A flatter base curve
    B. Add more ballast
    C. Fit a different material
    D. Add less ballast
11. Use a radiuscope to determine which of the following parameters:

    A. Power
    B. Base Curve
    C. Prism
    D. Peripheral curve width
12. For an over-refraction of +0.50 power on the following Bitoric lens, +0.50/43.50, -2.50/46.50 9.2 Green, the remake order would be:

    A. Plano/43.50 -2.00/46.50 9.2 Green
    B. +1.00/44.00 -2.00/47.00 9.2 Green
    C. +1.00/43.00 -2.00/46.00 9.2 Green
    D. +1.00/43.50 -2.00/46.50 9.2 Green
13. To tighten a fit, you decide to steepen a lens by -0.50 without any Rx changes, -0.50-3.00x 090, 42.00/42.00, Front Toric, 1.5? ballast dotted @ 6:00. The remake order would be:

    A. -0.50-3.00x090 42.50/42.50 Front Toric 1? ballast dotted @ 6:00
    B. -1.00-3.00x090 42.50/42.50 Front Toric 1? ballast dotted @ 6:00
    C. -1.00-3.50x090 42.50/42.50 Front Toric 1? ballast dotted @ 6:00
    D. -0.50-3.50x090 42.50/42.50 Front Toric 1? ballast dotted @ 6:00
14. Which lens design would be used for the following prescription, +1.50-4.50x090, 41.50/41.50?

    A. Front toric design
    B. Bitoric design
    C. Back toric design
    D. Spherical design
15. The best way to think of a Bitoric lens is to think of it as:

    A. Two spherical lens designs in one lens
    B. Two toric lens designs in one lens
    C. A prism-ballasted lens
    D. A sphere powered lens with 2 base curves
16. A common Bitoric design has the following fit:

    A. -0.50 steeper on the flattest curve, +0.50 flatter on the steepest
    B. -0.25 steeper on the flattest curve, -0.75 steeper on the steeper
    C. +0.25 flatter on the flattest curve, +0.75 flatter on the steeper
    D. Fit -0.50 steeper on both curves
17. Which other aspect of an RGP lens can a radiuscope tell?

    A. Whether it has prism or not
    B. Whether it is warped
    C. Whether for extended wear or daily wear
    D. Whether a lens is scratched too much to polish
18. The most ordered toric lens would be:

    A. Bitoric lens
    B. Front toric lens
    C. Back toric lens
    D. Spherical, single cut
19. The rarest toric lens ordered will be:

    A. Bitoric lens
    B. Front toric lens
    C. Back toric lens
    D. Spherical, single cut
20. Which lens design would be used for the following prescription, +6.00 sphere, 39.75/45.75?

    A. Front toric design
    B. Spherical design
    C. Back toric design
    D. Bitoric design

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: