Page 43 - Demo

D. The width of the cornea
15. Corneal topography may be done to determine:
A. Whether a patient is at risk because of glaucoma
B. The fit of a contact lens
C. How long a patient should be wearing their lenses
D. Whether to advise using moisture drops or not
16. In a tear breakup test, how many seconds before the tears break up is considered normal?
A. Two
B. Five
C. 10
D. 20
17. The term “unstable” in an unstable tear film explaining dry eye symptoms means:
A. The composition of the tears is imbalanced
B. The pH of the tears are too high
C. The pH of the tears are too low
D. A plugged tear canal
18. A good indication of adequate tear production in a Schirmers Test
would be a reading of:
A. 10 or more
B. Five
C. Three
D. Two or less
19. Fluorescein staining helps detect:
A. A scratched cornea
B. Dry eyes
C. GPC
D. Irregular astigmatism
20. All of the following are good advice for an elderly contact lens wearer except:
A. Sleep in the contacts
B. Use moisturizing contact lens drops when eyes feel dry
C. Reduce wearing times
D. Have a complete eye exam every one to two years according to their eye doctor's
advice.
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EYEZONE Issue 91-92 May / August 2020