Quiz 3

Question 1

Which of the following ocular conditions would be associated with a tear break up time is less than 10 seconds?

A) neovascularization
B) keratoconus
C) corneal striae
D) keratitis sicca

Answer 1

D) keratitis sicca

Question 2

Which of the following lid positions is preferred when fitting RGP lenses?

A) U=0L=+2
B) U=-2L=0
C) U=+2L=-2
D) U=+2L=0

Answer 2

D) U=+2L=0

Question 3

Patients to avoid when fitting contact lenses are those with:

A) a lack of comprehension
B) all of the above
C) unhealthy corneas
D) poor personal hygiene 

Answer 3

B) all of the above

Question 4

What test is used to measure the quality of the tear production?

A) jones thread
B) BUT
C) schirmer
D) Sicca-2

Answer 4

B) BUT

Definition:

Break Up Time measurement

Question 5

What instrument is used to magnify the eye?

A) keratometer
B) distometer
C) lensometer
D) bio microscope 

Answer 5

A) keratometer

Question 6

When recording Lower lid position on a record form A - 2mm notation indicates:

A) The lower lid margin is 2 mm below the lower limbus
B) The lower lid margin is 2 mm above the lower limbus
C) The lower lid margin is 2 mm lower than the upper lid margin
D) The lower lid margin is 2 mm below the pupil

Answer 6

A) The lower lid margin is 2 mm below the lower limbus

Question 7

Which of the following are important considerations in the pre-fitting interview?

1. Occupation
2. Motivation
3. Athletic activity
4. Maturity

Answer 7

1,2,3 and 4

Question 8

The distance between the temporal and nasal sides of the cornea:

A) blepharo bayou
B) HVID
C) palbebral fissure
D) orbital sulcus

Answer 8

B) HVID

Horizontal visible Iris Diameter

Question 9

Which of the following conditions cause a patient to be more prone to corneal edema and abrasions?

A) Aniridia
B) Albinism
C) Diabetes
D) Nystagmus

Answer 9

C) Diabetes

Question 10

Which of the following medication may contribute to an insufficient tear film?

A) iodine
B) aspirin
C) insulin
D) antihistamines

Answer 10

D) antihistamines