CPOT Contact Lens Fitting & Patient Care 3

Question 1

What is the correct method for cleaning contact lens storage cases?

Accepted Answer

Rinse with fresh multipurpose solution and air dry face down on a tissue

Answer

Wipe with a dry tissue after emptying the case

Answer

Rinse with tap water and allow to air dry

Answer

Clean with dish soap and hot water each week

Question 2

What is the generally recommended maximum wearing time per day for conventional daily wear soft contact lenses?

Accepted Answer

12 to 16 hours

Answer

6 to 8 hours

Answer

8 to 10 hours

Answer

18 to 20 hours

Question 3

Which set of symptoms should prompt a contact lens wearer to immediately remove lenses and seek urgent eye care?

Accepted Answer

Sudden eye pain, marked redness, and light sensitivity

Answer

Mild lens awareness during the first week of wear

Answer

Slight halos around lights during initial adaptation

Answer

Minor dryness in air-conditioned environments

Question 4

What is the primary risk of sleeping in contact lenses that are not approved for extended (overnight) wear?

Accepted Answer

Increased risk of microbial keratitis and corneal hypoxia

Answer

Decreased lens optical clarity upon waking

Answer

Accelerated protein deposit formation on the lens surface

Answer

Reduced comfort during subsequent daytime wear

Question 5

Which solution should NEVER be used to rinse contact lenses before insertion?

Accepted Answer

Tap water

Answer

Sterile preserved saline solution

Answer

Multipurpose contact lens solution

Answer

Hydrogen peroxide solution that has been fully neutralized

Question 6

How long must a one-step hydrogen peroxide contact lens disinfection system fully neutralize before the lenses can be safely inserted?

Accepted Answer

At least 6 hours

Answer

5 minutes

Answer

30 minutes

Answer

24 hours

Question 7

When educating a patient about a monthly contact lens replacement schedule, which statement is correct?

Accepted Answer

Lenses should be replaced every 30 days from opening, regardless of how frequently they are worn

Answer

The lens can be worn for extra days if stored in solution between wears

Answer

Replacement timing is based on total hours worn, not calendar days

Answer

Replacement intervals can be extended with daily cleaning and enzymatic treatment