Quiz For Soft Contact Lenses: Best Practices (SCD)

1 point(s)

One technique to evaluate the fit of a soft lens is

lens fluidity

Correct Incorrect Correct answer

outer lid sensitivity

Correct Incorrect Correct answer

reading chart

Correct Incorrect Correct answer

visual acuity

Correct Incorrect Correct answer

1 point(s)

An optimal lens fit is:

marginally positioned

Correct Incorrect Correct answer

not needing maintenance

Correct Incorrect Correct answer

well centered

Correct Incorrect Correct answer

adherent to the cornea

Correct Incorrect Correct answer

1 point(s)

_______________________ have a life span greater than 6 months and are usually replaced at intervals of no more than one year

conventional lenses

Correct Incorrect Correct answer

frequent replacement lenses

Correct Incorrect Correct answer

disposable lenses

Correct Incorrect Correct answer

latex lenses

Correct Incorrect Correct answer

1 point(s)

These lenses are discarded after every use:

conventional lenses

Correct Incorrect Correct answer

disposable lenses

Correct Incorrect Correct answer

daily wear lenses

Correct Incorrect Correct answer

sleep in lenses

Correct Incorrect Correct answer

1 point(s)

Low water content lenses __________________________

are no longer used

Correct Incorrect Correct answer

are very hard to handle

Correct Incorrect Correct answer

may mask low amounts of astigmatism

Correct Incorrect Correct answer

only come in colored lenses

Correct Incorrect Correct answer

1 point(s)

Disposable lenses implies that a lens can be:

used continuously for 60 days

Correct Incorrect Correct answer

worn for up to one year

Correct Incorrect Correct answer

worn for up to three months

Correct Incorrect Correct answer

discarded after use

Correct Incorrect Correct answer

1 point(s)

___________________ lenses can be worn for a maximum of 7 days or 6 nights

standard

Correct Incorrect Correct answer

frequent replacement

Correct Incorrect Correct answer

extended wear

Correct Incorrect Correct answer

spherical only

Correct Incorrect Correct answer

1 point(s)

_________________ is the primary material used in many soft contact lenses

PMMA

Correct Incorrect Correct answer

hydrogel

Correct Incorrect Correct answer

silicone

Correct Incorrect Correct answer

cellulose acetate butyrate

Correct Incorrect Correct answer

1 point(s)

Hydrogel material is classified as being:

hydrophobic

Correct Incorrect Correct answer

hydrophilic

Correct Incorrect Correct answer

gas permeable

Correct Incorrect Correct answer

extended wear

Correct Incorrect Correct answer

1 point(s)

Hydrogel lenses are classified by the following two characteristics

hydrophobic and PMMA

Correct Incorrect Correct answer

extended wear and daily wear

Correct Incorrect Correct answer

ionic character and water content

Correct Incorrect Correct answer

RGP and gas permeable

Correct Incorrect Correct answer

1 point(s)

These lenses require routine disinfection:

daily disposable

Correct Incorrect Correct answer

extended wear disposable

Correct Incorrect Correct answer

daily wear

Correct Incorrect Correct answer

one day disposables

Correct Incorrect Correct answer

1 point(s)

One important ocular criterion to choose a type of soft lens for a patient is:

the patient's budget

Correct Incorrect Correct answer

a complete exam

Correct Incorrect Correct answer

the reason for the appointment

Correct Incorrect Correct answer

the patient's previous experience with contact lenses

Correct Incorrect Correct answer

1 point(s)

The most important technique to be learned by the patient is:

lens removal

Correct Incorrect Correct answer

lens rinsing

Correct Incorrect Correct answer

the taco test

Correct Incorrect Correct answer

cosmetic application

Correct Incorrect Correct answer

1 point(s)

The base curve of a lens is traditionally based upon:

the lens material

Correct Incorrect Correct answer

the lens type

Correct Incorrect Correct answer

the lens power

Correct Incorrect Correct answer

the keratometric value of the central cornea

Correct Incorrect Correct answer

1 point(s)

Lens removal technique for soft lenses is

always taught before the exam

Correct Incorrect Correct answer

only taught by the doctor

Correct Incorrect Correct answer

to be mastered by the patient before the lenses can be taken home

Correct Incorrect Correct answer

not necessary

Correct Incorrect Correct answer

1 point(s)

Hydrophilic lens base curves range from

8.5 to 8.8 mm

Correct Incorrect Correct answer

9.5 to 10.3 mm

Correct Incorrect Correct answer

8.0 to 9.2 mm

Correct Incorrect Correct answer

7.5 to 8.0 mm

Correct Incorrect Correct answer

1 point(s)

The majority of soft lens fits will be successful using this base curve range:

8.5 to 8.8 mm

Correct Incorrect Correct answer

9.5 to 10.3 mm

Correct Incorrect Correct answer

8.0 to 9.2 mm

Correct Incorrect Correct answer

7.5 to 8.3 mm

Correct Incorrect Correct answer

1 point(s)

Soft lens power is based upon

the manifest refraction plus compensation for vertex distance

Correct Incorrect Correct answer

the power of the tear lens

Correct Incorrect Correct answer

the lens material

Correct Incorrect Correct answer

base curve selection

Correct Incorrect Correct answer

1 point(s)

Spherical equivalent can be calculated as:

half of the sphere added to the cylinder power

Correct Incorrect Correct answer

a function of base curve only

Correct Incorrect Correct answer

half of the cylinder added to the sphere power

Correct Incorrect Correct answer

reducing the sphere by 0.25

Correct Incorrect Correct answer

1 point(s)

Which of these is a method of diagnostic lens fit

individual same lens

Correct Incorrect Correct answer

bilateral spherical equivalent

Correct Incorrect Correct answer

bilateral comparative lens

Correct Incorrect Correct answer

individual equivalent

Correct Incorrect Correct answer

1 point(s)

In the ______________ method, a different lens design is placed on each eye and compared

bilateral

Correct Incorrect Correct answer

individual

Correct Incorrect Correct answer

bilateral comparative

Correct Incorrect Correct answer

equivalent comparative

Correct Incorrect Correct answer

1 point(s)

Hydrophilic lens diameters range from:

7.0 to 10.5 mm

Correct Incorrect Correct answer

13.8 to 14.5 mm

Correct Incorrect Correct answer

12.5 to 16.0 mm

Correct Incorrect Correct answer

10.0 to 11.0 mm

Correct Incorrect Correct answer

1 point(s)

_____________ defines the position of the hydrogel lens in relation to the corneal diameter

base curve

Correct Incorrect Correct answer

lens coverage

Correct Incorrect Correct answer

lens movement

Correct Incorrect Correct answer

lens centration

Correct Incorrect Correct answer

1 point(s)

Primary gaze movement is measured ____________________________

after the lens has settled following each blink

Correct Incorrect Correct answer

immediately prior to each blink

Correct Incorrect Correct answer

after the patient looks right and left quickly

Correct Incorrect Correct answer

just prior to a push-up test

Correct Incorrect Correct answer

1 point(s)

What is the most reliable test for determining the adequacy of the hydrogel lens fit

primary gaze

Correct Incorrect Correct answer

lateral movement

Correct Incorrect Correct answer

push-up

Correct Incorrect Correct answer

vertical movement

Correct Incorrect Correct answer

1 point(s)

The overall soft lens fit can be considered as acceptable, if there is

partial corneal coverage with a reduced range of movement

Correct Incorrect Correct answer

complete corneal coverage with an optimal range of lens movement

Correct Incorrect Correct answer

adequate corneal coverage with excessive lens movement

Correct Incorrect Correct answer

lens adherence

Correct Incorrect Correct answer

1 point(s)

When is the spherocylindrical over-refraction performed

the patient complains of redness

Correct Incorrect Correct answer

the doctor comes into the office

Correct Incorrect Correct answer

after lens equilibration

Correct Incorrect Correct answer

after instilling eye drops

Correct Incorrect Correct answer

1 point(s)

Insertion and removal training is necessary

until the patient has proven he/she can successfully insert and remove the lenses

Correct Incorrect Correct answer

only if the patient has worn lenses in the past

Correct Incorrect Correct answer

only when fitting disposable lenses

Correct Incorrect Correct answer

after the patient has worn the lenses for one month

Correct Incorrect Correct answer

1 point(s)

First-time soft contact lens wearers should

wear the lenses for up to 14 hours right away

Correct Incorrect Correct answer

wear the lenses a maximum of 4 hours the first day

Correct Incorrect Correct answer

use eye drops every hour

Correct Incorrect Correct answer

wear the lenses a maximum of 8 hours the first day

Correct Incorrect Correct answer

1 point(s)

During the initial after care visit, the patient should:

read a new care pamphlet

Correct Incorrect Correct answer

be switched to a new lens

Correct Incorrect Correct answer

answer a new questionnaire

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be asked about their comfort level with lens insertion and removal

Correct Incorrect Correct answer

1 point(s)

In which original FDA classification group would you find low-water, non-ionic lenses

group one

Correct Incorrect Correct answer

group two

Correct Incorrect Correct answer

group three

Correct Incorrect Correct answer

group four

Correct Incorrect Correct answer

1 point(s)

What is the material added so that a contact lens better mimics the body’s natural biological process

polymerization

Correct Incorrect Correct answer

biomimesis

Correct Incorrect Correct answer

stabilization

Correct Incorrect Correct answer

sterilization

Correct Incorrect Correct answer

1 point(s)

Why would manufacturer add PVP to the matrix of a soft contact lens

better shape retention

Correct Incorrect Correct answer

increased ionic cohesion

Correct Incorrect Correct answer

increased water content

Correct Incorrect Correct answer

increased thickness

Correct Incorrect Correct answer

1 point(s)

Will a patient ever wear two different brands of soft contact lenses

no, soft contact lenses are never prescribed in that fashion

Correct Incorrect Correct answer

no, a patient could easily mix up the right for the left

Correct Incorrect Correct answer

yes, a patient can demand anything he or she prefers

Correct Incorrect Correct answer

yes, due to patient needs, a doctor may prescribe two different brands, one for each eye

Correct Incorrect Correct answer

1 point(s)

A patients spectacle Rx is – 5.00 d.s. ou. What is correct regarding contact lenses for this patient

the contact lenses will be the same

Correct Incorrect Correct answer

the contact lenses will be slightly weaker

Correct Incorrect Correct answer

the contact lenses will be slightly stronger

Correct Incorrect Correct answer

this patient should not have contact lenses

Correct Incorrect Correct answer

1 point(s)

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

order the lenses since they are just plano power

Correct Incorrect Correct answer

order the lenses but do not dispense them until the patient brings a prescription

Correct Incorrect Correct answer

do not order the lenses under any circumstances

Correct Incorrect Correct answer

have the patient return with a written prescription and then order the lenses

Correct Incorrect Correct answer

1 point(s)

A soft contact lens label should include which parameter

the base curve

Correct Incorrect Correct answer

whether it is a right or left lens

Correct Incorrect Correct answer

the ingredients of the soaking solution it was shipped in

Correct Incorrect Correct answer

the lens edge thickness

Correct Incorrect Correct answer

1 point(s)

A prospective patient brings in vials of the lenses currently being worn. Can you refill based on the vials

yes, just order the same brand

Correct Incorrect Correct answer

yes, just choose any brand with the same water content

Correct Incorrect Correct answer

no, the patient needs to have a current prescription for any contact lenses

Correct Incorrect Correct answer

no, the patient can simply buy them at the pharmacy

Correct Incorrect Correct answer

1 point(s)

What is needed during a typical contact lens fitting

a reading test

Correct Incorrect Correct answer

current blood pressure

Correct Incorrect Correct answer

a Schirmer test

Correct Incorrect Correct answer

a test for diabetes

Correct Incorrect Correct answer

1 point(s)

Can the pH of a soft contact lens change

no, it is set into the plastic matrix

Correct Incorrect Correct answer

yes, lens solution and the patient's own tear can change it

Correct Incorrect Correct answer

pH is never measured for the eye or the tears

Correct Incorrect Correct answer

pH is not considered at all in contact lens wear

Correct Incorrect Correct answer

Quiz For Soft Contact Lenses: Best Practices (SCD)

Quiz For Soft Contact Lenses: Best Practices (SCD)

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