Deck 2: Contact Lenses

Question 1

Contact lenses rest on the moist surface of the

A)iris.
B)cornea.
C)pupil.
D)retina.

Answer 1

cornea.

Question 2

A poorly fitted contact lens will most commonly result in

A)a satisfied patient.
B)macular degeneration.
C)a corneal abrasion.
D)iritis.

Answer 2

a corneal abrasion.

Question 3

In order to properly fit a patient for contact lenses, the radius of the cornea's curvature must be measured with what instrument?

A)Keratometer
B)Lensometer
C)Optokinetic drum
D)Ultrasound pachymeter

Answer 3

Keratometer

Question 4

Which of the following conditions preclude a patient from being able to wear contact lenses?

A)Having been dissatisfied with previous contact lenses
B)Being over the age of 65
C)Being under the age of 15
D)Acute seventh nerve palsy (Bell's palsy)

Question 5

There are generally three variables printed on a contact lens box. What does the marking "(P)" stand for?

A)Pupil
B)Power
C)Part-time
D)Permeable

Question 6

Bifocal contact lenses should be considered for patients

A)over the age of 40 who have problems focusing up close.
B)suffering from astigmatism.
C)suffering from myopia.
D)suffering from hyperopia.

Question 7

What is the imperative first step in inserting contact lenses?

A)Blinking both eyes 10 times
B)Removing contact lens solution cap
C)Hand washing for at least 15 seconds
D)None of the above

Question 8

In what cases are ridged gas permeable contact lenses preferred over soft lenses?

A)In severe cases of dry eyes
B)In some cases of astigmatism
C)In cases of irregularly shaped corneas
D)All of the above