Quiz For Contact Lens Complications

Contact lens complications ___________________

___________________________ is an inflammation of the tarsal conjunctiva.

Symptoms of GPC can include:

Contact lens solutions that contain a preservative called ________________ have been found to trigger GPC in some patients.

The tear layer contains __________________ which help guard against infection.

The ______________________ provides a smooth and transparent refractive surface.

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

Mechanical epithelial defects can be caused by:

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

The most common staining pattern occurs:

Manipulation of a contact lens during insertion and removal can:

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

Corneal staining may be caused by:

1. poor edge design
2. poor insertion techniques
3. a foreign body

Contact lens induced corneal vascularization can be caused by:

1. recurring epithelial defects
2. recurring an persistent epithelial hypoxia
3. irregular astigmatism
4. mixed astigmatism

A foreign body can appear as a:

1. snake-like track on the cornea
2. small crater-like lesion
3. crescent shaped arc stain
4. swirl-like stain

Which of the following is most likely to be the cause of corneal vascularization?

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

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

Punctate staining can occur with soft lenses and is usually caused by:

Chemical epithelial defects can be caused by:

Contact Lenses:

Hypoxia produces:

Which of the following is not caused by chronic epithelial hypoxia?

All of the following can contribute to the development of contact lens associated corneal infections except:

The primary risk factor for developing contact lens related keratitis is:

The greatest source of infection for contact lens wearers from Acanthamoeba

Corneal warpage typically produces

Which of the following is not true

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

One of the signs of chronic corneal hypoxia is:

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

What is blepharoptosis

Your patient has an external hordoleum. What is the correct course of action
1. discontinue contact lens use
2. change to daily disposable contact lenses
3. refer the patient to the original practitioner
4. recommend eye drops

SEAL is an acronym for what condition

What defect of the cornea can be revealed by the sclerotic scatter view with the slit lamp

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

What is the tonicity of the natural tear

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

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

Your patient has bilateral superior flattening of the cornea and a retinoscope test shows “scissors-reflex.” What is the most likely problem