NOCE NOCE Contact Lens Fitting and Care 3

Question 1

Contact lens-induced papillary conjunctivitis (CLPC) is best managed by initially:

Accepted Answer

Reducing wearing time and switching to daily disposable lenses

Answer

Switching to a higher water content lens

Answer

Increasing lens replacement frequency to monthly

Answer

Prescribing a bifocal contact lens

Question 2

What is the recommended care protocol for rigid gas-permeable (RGP) contact lens cases?

Accepted Answer

Rinse with fresh multipurpose solution, air dry face-down on a clean tissue, and replace every 3 months

Answer

Fill the case with tap water and close tightly each night

Answer

Store the case filled with saline at all times

Answer

Clean the case monthly with boiling water only

Question 3

What clinical sign is most characteristic of contact lens-induced corneal hypoxia (overwear syndrome)?

Accepted Answer

Limbal and corneal neovascularization (vessel ingrowth)

Answer

Corneal arcus formation

Answer

Increased corneal sensitivity

Answer

Decreased intraocular pressure

Question 4

Which cleaning step is considered the MOST important part of the RGP lens care regimen to remove surface deposits?

Accepted Answer

Rubbing the lens with daily cleaner for 20–30 seconds

Answer

Soaking the lens overnight in conditioning solution

Answer

Rinsing the lens with sterile saline before insertion

Answer

Using enzymatic cleaner nightly

Question 5

The FDA-approved maximum continuous (extended) wear period for silicone hydrogel contact lenses approved for extended wear is:

Accepted Answer

30 days / 29 nights

Answer

3 days / 2 nights

Answer

7 days / 6 nights

Answer

60 days / 59 nights

Question 6

When a patient presents with a contact lens prescription and requests new lenses, the optician must verify the prescription has not expired. In most US states, what is the standard expiration period for a contact lens prescription?

Accepted Answer

1 year

Answer

6 months

Answer

2 years

Answer

5 years