Quiz 8

Question 1

Your pts. blink rate is 15/min. Based on this information alone. What contact lens option of the following-if any-do you suggest?

a. High water content hydrogel
b. Low water content hydrogel
c. PMMA contact lens
d. Severe dry eye - no contact lens

Answer 1

a. High water content hydrogel lens

Question 2

Your pt has a LIPCOF grade 1. What does this indicate?

a. Pt does not suffer from severe dry eye
b. Pt has likely severe dry eye
c. Pt requires a soft lens with a larger diameter
d. Pt TBUT break up time is 1 second

Answer 2

a. Pt does not suffer from severe dry eye

Question 3

Pt has 2 conjunctival folds up to the height of the tear meniscus. What LIPCOF grade is that?
0
1
2
3

Answer 3

Grade 2

Question 4

Pt TBUT score is 5 seconds. What does that indicate?

a. Pt does not suffer from severe dry eye
b. Pt has likely severe dry eye
c. Pt requires a soft lens with a larger diameter
d. Pt TBUT break up time is 1 second

Answer 4

b. Pt has likely severe dry eye

Question 5

Which of the following is a normal value for the tear prism/tear meniscus height?
0mm
0.1mm
0.3mm
5mm

Answer 5

0.3mm

Question 6

Which of the following tear film tests may cause stinging?
Lissamine Green
Rose Bengal
Schirmer 2
TBUT

Answer 6

Rose Bengal

Question 7

Which if the following tests analyzes the salt concentration?
Phenol Red Thread Test
TBUT
Tear Osmolarity Test
Tear Prism/Tear Meniscus Height

Answer 7

Tear Osmolarity Test

Question 8

Which of the following tests analyzes pH?
Phenol Red Thread Test
TBUT
Tear Osmolarity Test
Tear Prism/Tear Meniscus

Answer 8

Phenol Red Thread Test

Question 9

Which of the following tests analyzes the lipid layer?
Interference pattern 
LIPCOF
Phenol Red Thread  Test
Tear Osmolarity Test

Answer 9

Interference Pattern