Quiz For Soft Contact Lenses for the Spectacle Dispenser OHIO SCD exp 12/31/2018

Which of these are layers of the cornea?
1. Descemet’s membrane
2. stroma
3. epithelium
4. Bowman’s layer

What would indicate a good soft lens fit is:
1. lens extends about 1.00 mm onto the conjunctiva
2. equal lens material surrounds the cornea from limbus to lens edge
3. movement of about 0.50 to 1.00 mm
4. requires no maintenance

________________have a life span greater than 6 months and preferably are replaced at intervals of no greater than one year.

________________have a life span of 1-3 months after which the lens is discarded and replaced.

________________have a life span of one day up to one or two weeks, after which the lens is discarded or replaced.

________________implies that a lens can be worn throughout the day but must be removed prior to sleeping.

________________can be worn throughout the day and night for a maximum of 7 days without lens removal.

____________________is the primary material used in soft contact lenses.

Hydrogel material is classified as being:

Hydrogel lenses are categorized by the following two characteristics:

Which of these are daily cleaning agents?
1. Abrasive
2. Solvent
3. Surfactant
4. pancreatin

What determines EOP?
1. the DK
2. the thickness and curves
3. the patient’s tear film
4. the patient’s eyelid

The most important technique the patient must learn is the:

Which is not a layer of the tear film?

A lens is low water and non-ionic, to which class does it belong?

Hydrophilic means _________________________.

The FTC requires that ______________________________:

A patient should not ____________________________:

When might a patient be forbidden to us contact lenses?

According to the FTC and the FDA, what must be on a contact lens prescription?
1. patient’s name
2. expiration date
3. the manufacturer’s address
4. the patient’s date of birth

Your patient comes in with lenses not approved by the FDA. What is the correct course of action?

A method of determining when a lens is inverted is called the __________________.

If a lens becomes uncomfortable, or the eye is red, what should the patient do?

Which layer of the cornea maintains the partial dehydration of the cornea?

What is a suggestion for the patient when he or she will work with the lens to clean it?

_______________________________________ solution might contain pancreatin or subtilisin.

What is the ultimate goal of the use of a multi-purpose solution?

How should a patient insert a contact lens?

The minimum exposure time required of a hydrogen peroxide solution is: ___________.

Which of these is the least likely to cause an adverse patient reaction?

In which original FDA classification group would you find a high-water, ionic lens?

What is the most likely cause of a patient reporting that his or her eyes feel “hot”?

Which disease is recognized by the appearance of bumps on the inside surface of the patient’s eyelid?

What is wrong with this contact lens prescription: OD = Acuvue Advance – 4.00 8.7 14.0 / OS = Avaira – 12.00 8.5 14.2 ?

A patient’s spectacle Rx is -5.00 d.s. ou. What is correct regarding contact lenses for this patient?

Your patient asks to purchase some Halloween design lenses, but does not have a prescription. The correct action is:

A soft contact lens label might include a lot number. What is a potential use for this number?

What is not typically found imprinted on a contact lens box or vial label?

The components of a care system are designed to:

When wearing daily wear contact lenses, can a patient take a short nap without removing the lenses?