Quiz For Contact Lens Complications and Resolutions

1 point(s)

Contact lens complications

never need to be considered

Correct Incorrect Correct answer

are always very mild

Correct Incorrect Correct answer

can be sight threatening

Correct Incorrect Correct answer

do not occur with soft lenses

Correct Incorrect Correct answer

1 point(s)

_________ is an inflammation of the tarsal conjunctiva.

Giant papillary conjunctivitis

Correct Incorrect Correct answer

Dellen

Correct Incorrect Correct answer

Corneal hypoxia

Correct Incorrect Correct answer

Neovascularization

Correct Incorrect Correct answer

1 point(s)

Which a symptom of GPC?

clear eyes

Correct Incorrect Correct answer

comfort while wearing contact lenses

Correct Incorrect Correct answer

normal lens movement

Correct Incorrect Correct answer

bumpy tarsal surface

Correct Incorrect Correct answer

1 point(s)

Contact lens solutions that contain a preservative called_________have been found to trigger an allergic reaction in some patients.

Lysozyme

Correct Incorrect Correct answer

Enzyme

Correct Incorrect Correct answer

Mucin

Correct Incorrect Correct answer

Thimerosol

Correct Incorrect Correct answer

1 point(s)

The tear layer contains _________ which helps guard against infection.

Lysozyme

Correct Incorrect Correct answer

Thimerosol

Correct Incorrect Correct answer

Erosions

Correct Incorrect Correct answer

GPC

Correct Incorrect Correct answer

1 point(s)

The _________ provides a smooth and transparent refractive surface.

Cornea

Correct Incorrect Correct answer

Endothelium

Correct Incorrect Correct answer

Tear film

Correct Incorrect Correct answer

Stroma

Correct Incorrect Correct answer

1 point(s)

The _________ is a foreign body that rubs across and presses against the epithelium with each blink.

Stroma

Correct Incorrect Correct answer

Limbus

Correct Incorrect Correct answer

Conjunctiva

Correct Incorrect Correct answer

Contact lens

Correct Incorrect Correct answer

1 point(s)

Mechanical epithelial defects can be caused by:

correct insertion techniques

Correct Incorrect Correct answer

a clean contact lens

Correct Incorrect Correct answer

a qualitative contact lens edge

Correct Incorrect Correct answer

a chip or tear in the edge of a contact lens

Correct Incorrect Correct answer

1 point(s)

_________ can allow bacteria to penetrate the cornea resulting in a stromal infection.

Epithelial defects

Correct Incorrect Correct answer

Blinking

Correct Incorrect Correct answer

Thimerosol

Correct Incorrect Correct answer

Stroma

Correct Incorrect Correct answer

1 point(s)

The most common staining pattern occurs

in the palpebral fissure between the lens and the limbus in the 3 and 9 o'clock positions

Correct Incorrect Correct answer

the periphery

Correct Incorrect Correct answer

the tarsal conjunctiva

Correct Incorrect Correct answer

the endothelial reflex

Correct Incorrect Correct answer

1 point(s)

Manipulation of a contact lens during insertion and removal can

traumatize the epithelium causing an abrasion

Correct Incorrect Correct answer

result in dellen

Correct Incorrect Correct answer

trigger the formation of GPC

Correct Incorrect Correct answer

cause corneal warpage

Correct Incorrect Correct answer

1 point(s)

Punctate epithelial erosions occur commonly with contact lens wear and can be caused by

a lens that follows corneal curves

Correct Incorrect Correct answer

a lens that moves well

Correct Incorrect Correct answer

a lens with a measured diameter

Correct Incorrect Correct answer

a lens that is too flat or steep for the cornea

Correct Incorrect Correct answer

1 point(s)

Corneal staining may be caused by

a lens that has been enzyme cleaned properly

Correct Incorrect Correct answer

good blinking

Correct Incorrect Correct answer

customary insertion techniques

Correct Incorrect Correct answer

a foreign body

Correct Incorrect Correct answer

1 point(s)

Three and nine o’ clock staining is generally seen with:

a therapeutic lens

Correct Incorrect Correct answer

a rigid lens

Correct Incorrect Correct answer

a soft lens

Correct Incorrect Correct answer

a HEMA lens

Correct Incorrect Correct answer

1 point(s)

The invasion of new blood vessels into the cornea is known as:

bullous keratopathy

Correct Incorrect Correct answer

corneal vascularization

Correct Incorrect Correct answer

keratitis sicca

Correct Incorrect Correct answer

deturgescence

Correct Incorrect Correct answer

1 point(s)

Chemical epithelial defects can be caused by

surfactant cleaning solutions

Correct Incorrect Correct answer

hydrogen peroxide not totally neutralized

Correct Incorrect Correct answer

sterile saline

Correct Incorrect Correct answer

enzyme treatment of lens

Correct Incorrect Correct answer

1 point(s)

Contact lenses

increase the amount of oxygen available to the cornea

Correct Incorrect Correct answer

decrease the amount of oxygen to the cornea

Correct Incorrect Correct answer

have no effect on available oxygen

Correct Incorrect Correct answer

should never be slept in

Correct Incorrect Correct answer

1 point(s)

Hypoxia produces

good vision

Correct Incorrect Correct answer

patient comfort

Correct Incorrect Correct answer

contact lens shrinkage

Correct Incorrect Correct answer

edema

Correct Incorrect Correct answer

1 point(s)

Which of the following is caused by chronic epithelial hypoxia?

Arcuate staining

Correct Incorrect Correct answer

GPC

Correct Incorrect Correct answer

Neovascularization

Correct Incorrect Correct answer

Good tear flow

Correct Incorrect Correct answer

1 point(s)

Which of the following can contribute to the development corneal infections?

Extended wear lenses

Correct Incorrect Correct answer

Spherical lenses

Correct Incorrect Correct answer

Breaks in the corneal epithelium

Correct Incorrect Correct answer

Punctal tear drainage

Correct Incorrect Correct answer

1 point(s)

The primary risk factor for developing contact lens related keratitis is

sleeping with the lenses on when this use is not prescribed

Correct Incorrect Correct answer

reduced lens curve

Correct Incorrect Correct answer

bitoric lenses

Correct Incorrect Correct answer

enzyme treatment

Correct Incorrect Correct answer

1 point(s)

The greatest source of acanthamoeba infection for contact lens wearers comes from

sterile saline solution

Correct Incorrect Correct answer

enzymatic cleaner

Correct Incorrect Correct answer

tap water

Correct Incorrect Correct answer

preserved multi-purpose solution

Correct Incorrect Correct answer

1 point(s)

Corneal warpage typically produces

irregular astigmatism not seen before

Correct Incorrect Correct answer

against-the-rule astigmatism

Correct Incorrect Correct answer

hyperphoria

Correct Incorrect Correct answer

presbyopia

Correct Incorrect Correct answer

1 point(s)

Which of the following is true?

All patients can wear any contact lens

Correct Incorrect Correct answer

Contact lens wear does not affect the cornea

Correct Incorrect Correct answer

Contact lens wear can produce abnormalities of the lids and epithelium

Correct Incorrect Correct answer

Patient cooperation is unnecessary

Correct Incorrect Correct answer

1 point(s)

When a contact lens adheres tightly to the eye and results in pain, photophobia and injection, it is called

corneal warpage

Correct Incorrect Correct answer

loose lens syndrome

Correct Incorrect Correct answer

tight lens syndrome

Correct Incorrect Correct answer

keratoconus

Correct Incorrect Correct answer

1 point(s)

One of the signs of chronic corneal hypoxia is

superficial neovascularization

Correct Incorrect Correct answer

lens warpage

Correct Incorrect Correct answer

against-the-rule astigmatism

Correct Incorrect Correct answer

with-the-rule astigmatism

Correct Incorrect Correct answer

1 point(s)

Which of these is a non-adaptive symptom for a new contact lens patient?

Lens awareness

Correct Incorrect Correct answer

Pain

Correct Incorrect Correct answer

Temporary reduced blink rate

Correct Incorrect Correct answer

Tearing

Correct Incorrect Correct answer

1 point(s)

What is blepharoptosis?

The upper eyelid sags

Correct Incorrect Correct answer

An inflammation of the cornea

Correct Incorrect Correct answer

Missing eyelashes

Correct Incorrect Correct answer

Swelling of the cornea

Correct Incorrect Correct answer

1 point(s)

Your patient has an external hordeolum. What is the correct course of action?

Have the patient sleep in the lenses

Correct Incorrect Correct answer

Recommend eye drops

Correct Incorrect Correct answer

Recommend a new style of contact lens

Correct Incorrect Correct answer

Refer the patient back to the prescribing doctor

Correct Incorrect Correct answer

1 point(s)

SEAL is an acronym for what condition?

Sub-epithelial alternating lesion

Correct Incorrect Correct answer

Superior epithelial arcuate lesion

Correct Incorrect Correct answer

Self-eroding arcuate line

Correct Incorrect Correct answer

Soft extended alternating lens

Correct Incorrect Correct answer

1 point(s)

What defect of the cornea is most likely to be revealed by the sclerotic scatter view with the slit lamp?

A lesion

Correct Incorrect Correct answer

Punctate keratitis

Correct Incorrect Correct answer

A foreign body injury

Correct Incorrect Correct answer

Central gross edema

Correct Incorrect Correct answer

1 point(s)

Polymegathism is a variation in the size of endothelial cells. Which type of lenses are most commonly associated with this condition?

High water soft lenses

Correct Incorrect Correct answer

PMMA lenses

Correct Incorrect Correct answer

Silicone hydrogel lenses

Correct Incorrect Correct answer

RGP lenses

Correct Incorrect Correct answer

1 point(s)

What is the tonicity of the natural tear?

21%

Correct Incorrect Correct answer

7%

Correct Incorrect Correct answer

1.0%

Correct Incorrect Correct answer

0.9%

Correct Incorrect Correct answer

1 point(s)

After enzyme cleaning, a lens is still coated with a layer or denatured proteins and lipids. What is the correct course of action?

Send the lens out for professional cleaning

Correct Incorrect Correct answer

Discard the lens and replace it with a new lens of the same design

Correct Incorrect Correct answer

Have the patient enzyme it 5 times

Correct Incorrect Correct answer

Choose a brand new lens design

Correct Incorrect Correct answer

1 point(s)

A long-time patient has suddenly become very sensitive to light. What should he or she do?

Use eye drops

Correct Incorrect Correct answer

Go to the emergency room

Correct Incorrect Correct answer

Report this condition immediately according to RSVP guidelines

Correct Incorrect Correct answer

Do nothing, it will go away naturally

Correct Incorrect Correct answer

1 point(s)

Which of these patients might lack sufficient manual dexterity to handle contact lenses?

A diabetic

Correct Incorrect Correct answer

An elderly patient

Correct Incorrect Correct answer

A myope

Correct Incorrect Correct answer

A hyperope

Correct Incorrect Correct answer

1 point(s)

Erosion is seen at the 6 o’clock position of the cornea. What is the most likely cause?

Desiccation

Correct Incorrect Correct answer

Incorrect lens solutions

Correct Incorrect Correct answer

Faulty insertion or removal of a lens

Correct Incorrect Correct answer

Poor rewetting drops

Correct Incorrect Correct answer

1 point(s)

A corneal defect that looks like a white or gray filament is most likely

gross edema

Correct Incorrect Correct answer

dellen

Correct Incorrect Correct answer

edge damage

Correct Incorrect Correct answer

corneal striae

Correct Incorrect Correct answer

1 point(s)

A possible symptom of over wearing of lenses is

extreme photophobia

Correct Incorrect Correct answer

ease of removal

Correct Incorrect Correct answer

frequent rewetting

Correct Incorrect Correct answer

patient is comfortable

Correct Incorrect Correct answer

1 point(s)

What is a hallmark of CLARE?

Dellen

Correct Incorrect Correct answer

3 and 9 o'clock irritation

Correct Incorrect Correct answer

A red eye

Correct Incorrect Correct answer

Lens frequently falling out

Correct Incorrect Correct answer

Quiz For Contact Lens Complications and Resolutions

Quiz For Contact Lens Complications and Resolutions

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