Assessment
Diagnostics
Characteristics
Interventions
100
What is the inner layer of the eyeball called?
retina
100
What does the Ishihara color test, test for?
The ability to recognize a pattern of color- color blindness.
100
How is Myopia usually identified?
When children squint at the board in school. Their distant vision is blurred.
Myopia = Nearsightedness
100
How do you clean the eye if the patient has blepharitis?
Baby shampoo or lid scrub to gently remove the crust.
200
Which nerve transmits vision from the retina to the brain?
CN II- Optic Nerve
200
Why would we use an Amsler Grid Test?
Macular problems
200
Which eye disorder do we see the cat's eye reflex (classic sign)?
Retinoblastoma (malignant retinal tumor)
200
A patient has Conjunctivitis. Why would you not want to put a patch on their eye?
Promotes bacterial growth.
300
Increased aqueous humor can lead to this condition.
Glaucoma
300
What does the Fluorescein Angiography do?
Evaluates the blood flow of the retina.
300
Gradual peripheral vision loss & tunnel vision
Edges of the visual field are black
Primary Open-Angle Glaucoma
300
When administering a beta blocker for primary open-angle glaucoma, what is the correct way to instill the eye drops?
Use punctal pressure- press on the inner canthus to prevent the medication from draining into the systemic circulation.
400
Is this normal? What is it called?
Red reflex- Normal!
400
Correct way to assess visual acuity using the snellen eye chart. What do the numbers mean? What is normal visual acuity?
Cover 1 eye (but keep it open), read the smallest line. First number is how far the patient is from the chart (20). The second number is the distance in which a normal eye can read the line. Normal is 20/20.
400
What do patients usually complain of when they develop diabetic retinopathy?
Seeing spots (floaters), blurred vision, progressive vision loss
400
After retinal detachment surgery, what is the most important intervention?
Head positioning! Must maintain position for 6 hours a day for up to a week.
500
When assessing a patient with viral keratitis, what would you expect to see?
Dendritic Corneal Ulcer (tree branch appearance).
500
What does Tonometry measure?
Measures the temporary indentation caused by a puff of air.
500
S/S of cataracts...
decreased vision & color perception
gradual painless blurring of vision
double vision & poor night vision
increased light sensitivity
500
Interventions when interacting with someone who is blind.
Always face the patient, walk slightly ahead of the individual and allow them to grab your elbow for guidance, identify objects that may be a fall hazard, identify self, provide emotional support (may grieve over the loss of their sight)