Quiz Questions Week 1 -5 Flashcards
During a routine contact lens exam, you notice the patient has a Dellen. What would be one cause?
GP lens rubbing on the limbus
During a contact lens evaluation, it is observed that the patient has superficial punctate staining. What is one cause?
Improper use of hydrogen peroxide solution
The patient presents with the inward turning of the eye. Name one specific cause.
Trauma to the eyelid
During thr contact lens examination, the optician notices staining at the inferior 6’oclock position. What is one specific cause for this staining?
Incomplete blink meaning the tear film is not spreading over the cornea properly.
What is one cause of ancanthameba?
swimming/showering in contact lenses
During a slit-lamp examination, it is observed that this patient has corneal edema. What is one cause?
Overwear like sleeping in cls that causes hypoxia
What is one CAUSE of dry eye?
aqueous deficiency?
What is one SIGN of dry eye observed by the practioner?
3 o’clock and 9 o’clock staining
A tear prism of 3mm or higher could be indicative of……….
Plugged punctum
Corneal Hypoxia is……………..
Oxygen deprivation of the cornea
Reduced sensitivity of the cornea could be the first sign of…………..
Hypoxia
What is meant by DK value?
Oxygen permeability
What is the medical term for ‘bulging eyes’ due to thyroids?
Exophthalmos
Another term for ‘excessive tearing’ is……….
Epiphora
If a patient presents with contact lens overwear one of the symptoms observed in a slit lamp will be………..
Corneal Vascularization
If a patient presents with entropian it means ……….
Eyelids are turning inwards
Sclerotic scatter is used to look for…………….
Edema
What is the first assessment done during a contact lens fitting?
Visual Acuity
Which slit lamp illumination requires the beam to be in the shape of a small circle?
Conical Beam
Using disposable contact lenses more than one time falls under the compliance category. T/F
TRUE
………………. slit lamp illumination is used to look at the tear film.
Specular Reflection
Which one of the following options is NOT a treatment for dry eyes?
1- Blinking exercises
2 - Fluorescein installation
3 - Warm Compresses
4 - Artifical tears
2 - Fluorescein Installation
Which slit lamp illuminations detects aqueous flare?
Conical Beam
What equipment is used to measure the curvature of the corneal apex?
Keratometer