POST TEST FOR MODULE 32:  Soft Contact Lenses, Part 1        Catalog

                                                                   

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1. A contact lens can artificially change a person's eye color from brown to blue.

A. true

B. false

2. Which patient is most likely to be a successful contact lens wearer?

A. a high myope with less than 1 D astigmatism

B. a low hyperope who is 18 years old

C. a 45 year old salesman

D. a highly motivated patient

3. Which number is most likely to represent a soft contact lens diameter, in millimeters?

A. 8.5

B. 10

C. 14

D. 16

4. Which is another term for "base curve"?

A. posterior apical radius

B. HVID

C. secondary curve

D. peripheral curve

5. The curvature of the cornea ______ as you move toward the periphery of the cornea.

A. remains spherical

B. steepens

C. flattens

D. increases

6. Which soft contact lens base curve is "steepest"?

A. 8.3

B. 8.6

C. 8.9

D. 9.2

7. The distance from a flat surface to the highest point on a contact lens is termed the:

A. sagittal depth

B. vault

C. A or B

D. none of the above

8. How can you make a tight fitting soft contact lens fit looser?

A. increase the diameter

B. flatten the base curve

C. steepen the base curve

D. steepen the base curve and increase the diameter

9. Which procedure will do the most to make a loose fitting lens fit tighter?

A. increase the diameter

B. flatten the base curve

C. steepen the base curve

D. steepen the base curve and increase the diameter

10. Which is not true of a thin design soft contact lens?

A. they are easier to insert than standard thickness lenses

B. they offer greater oxygen transmission when compared to thicker lenses

C. they are generally more comfortable than thicker lenses

D. they can be fit in larger diameters

11. A plus power soft contact lens has a thicker edge than a minus power soft contact lens.

A. true

B. false

12. Which is true of low water content soft lenses when compared to high water content lenses?

A. the water content is more than 55%

B. they allow more oxygen to pass through

C. they are a better choice for the patient with dry eye symptoms

D. they are less durable

13. Which term means "water loving"?

A. hydroponic

B. philharmonic

C. hydrophilic

D. hydrocephalic

14. Oxygen transmission through a soft contact lens depends upon:

A. the lens material

B. the water content of the lens

C. the thickness of the lens

D. all of the above

15. When referring to soft contact lenses, the term "flexible wear" generally means that:

A. the lenses can be worn overnight on occasion

B. the lenses are discarded each day

C. the lenses are never worn overnight

D. the lenses are kept in the eyes for a week or longer