Knowledge 2

Question 1

Superficial punctate keratitis(spk)

Answer 1

An isolated pattern may be due to a poor contact lens fit or infection, while a diffuse pattern may indicate solution toxicity or an interaction between certain lens/solution combinations or dry eye syndrome.
Pic:quizlet

Question 2

Superior Epithelial arcuate lesion (SEAL)

Answer 2

due to mechanical chaffing by a contact lens on the superior cornea. The patient is usually asymptomatic.

Pic:Quizlet

Question 3

Inferior arcuate stain

Answer 3

due to dehydrated contact lenses associated with insufficient post-lens tear film. Patients may have complaints of mild discomfort.

Pic:Quizlet

Question 4

For monthlies, Bi-weekly, and weekly

To clean
To disinfect
To store the lenses
To rinse before inserting in your eye to rub the lenses

Answer 4

Multi-purpose disinfectant solution
MPDS

Question 5

For heavy depositors or less comfort in monthlies
Do not put directly in eye

Answer 5

Hydrogen peroxide

Question 6

Used to rid cl of debris, dirt, mucous and contamination

Answer 6

Surfactant cleaners

Question 7

Use after surfactant cleaner and rinsing with saline or other rinsing solution.

Kills bacteria and other microorganisms

Answer 7

Disinfecting solutions

Question 8

Only used after cleaning and disinfecting with another care system

Answer 8

Saline solution

Question 9

During a follow-up exam, a patient wearing soft lenses, reports that their vision is clearer immediately after the blink and then blurs. The most likely cause is:

Answer 9

A steep fitting lens

Also When keratometric mires reflected off a soft contact lens are only clear when the wearer blinks