POST TEST FOR MODULE 33:  Soft Contact Lenses, Part 2        Catalog

                                                                   

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1. Pupil diameter must be less than _____ to avoid visual distortion and glare.

A. 2 mm

B. 3 mm

C. 5 mm

D. the optical zone diameter

2. A contact lens is selected with an 8.6 base curve.  The "8.6" is the _____ of the soft contact lens.

A. radius of curvature

B. diopter power

C. diameter/power

D. power/diameter

3. Which lens is more likely to "mask" a low amount of corneal astigmatism?

A. thin design

B. standard thickness

C. 8.6 base curve

D. 8.9 base curve

4. If the patient's glasses prescription is -2.00+0.50x180, what would be the patient's spherical contact lens power?

A. -1.25

B. -1.50

C. -1.75

D. -2.00

5. If the patient's glasses prescription is -6.00 Sph, which of the following would be closest to the patient's contact lens prescription?

A. -5.50

B. -6.00

C. -6.50

D. -7.00

6. A soft contact lens will fit more loosely 10 minutes after it is inserted.

A. True

B. False

7. A patient is wearing a +2.00 D spherical soft contact lens.  An over-refraction yields better vision with a +0.75 sph.  What would be the new (adjusted) contact lens power?

A. +3.75

B. +2.75

C. +2.00

D. +1.25

8. A "loose" fitting contact lens can be "tightened" by:

A. going to a steeper base curve

B. going to a larger diameter

C. going to a thinner lens

D. any of the above

9. Which test helps to determine if the contact lens is wrong-side-out?

A. Schirmer

B. BUT

C. TUB

D. taco

10. Which statement is most appropriate?

A. It is best to use hair spray before contact lenses are inserted.

B. It is best to use hair spray after contact lenses are inserted.

C. The contact lens wearer cannot use hair spray.

D. No one uses hair spray anymore.

11. Which statement is most appropriate?

A. Wearing contact lenses while swimming will ruin your eyes.

B. No one has ever successfully worn contact lenses while swimming.

C. It is not a good idea to wear contact lenses while swimming.

D. Wearing contact lenses while swimming is not usually a problem.

12.  It is OK to use any eyedrop with a soft contact lens in your eye.

A. True

B. False

13. An enzymatic cleaner is used to:

A. remove dust buildup from the surface of the contact lens

B. remove protein deposits from the surface of the contact lens

C. disinfect the contact lens

D. remove minor scratches from the contact lens

14. An appropriate way to reduce the cost of soft contact lens care is to:

A. keep the lenses in a dry case overnight

B. store the lenses in saline solution

C. use saline solution as a rinsing agent

D. store the lenses in tap water

15. A hydrogen peroxide based care system is particularly useful for:

A. saving money on contact lens care

B. simplifying the contact lens care procedure

C. removing the tint from your contact lenses

D. the patient who is hypersensitive to other care products