NOCE Contact Lens Fitting and Care 2

Question 1

Which solution type is contraindicated for use with hydrogen peroxide contact lens disinfection systems during the neutralization step?

Accepted Answer

Multi-purpose solution

Answer

Saline

Answer

Enzymatic cleaner

Answer

Rewetting drops

Question 2

A soft toric contact lens rotates 15 degrees counterclockwise on the eye. If the prescription calls for 180-degree cylinder axis, what axis should be ordered?

Accepted Answer

165 degrees

Answer

195 degrees

Answer

180 degrees

Answer

15 degrees

Question 3

Which condition is an absolute contraindication to contact lens wear?

Accepted Answer

Active bacterial keratitis

Answer

Mild myopia

Answer

Presbyopia

Answer

Low astigmatism

Question 4

What is the recommended maximum replacement interval for rigid gas permeable (RGP) contact lenses?

Accepted Answer

1–2 years

Answer

1 month

Answer

6 months

Answer

2 weeks

Question 5

A patient reports their daily wear soft contact lenses feel dry and uncomfortable by midday. Which product is most appropriate to recommend for in-eye use?

Accepted Answer

Rewetting drops formulated for contact lenses

Answer

Artificial tears with preservatives

Answer

Hydrogen peroxide solution

Answer

Saline nasal spray

Question 6

When assessing the fit of a soft contact lens using a slit lamp, a well-fitting lens should demonstrate how much movement on a blink?

Accepted Answer

0.25–0.50 mm

Answer

Less than 0.10 mm

Answer

1.00–2.00 mm

Answer

More than 3.00 mm