Lec. 2: Evaluation of Visual Function
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44 Terms
How much is the pt at risk if they have a first degree relative with strab?
4x
Max months to crawl?
9 months
Max months to walk?
18 months
Max months to say 2 word phrases?
18 months
504 Plan
No change in curriculum & just change in envirnoment
IEP plan
Special plan customized to child
How much of learning occurs through vision?
80%
What is visual efficiency?
How the eyes gather visual information
What is visual infromation processing?
Hpw the brain interprets visual information (what does it do with the info)
What kind do visual concern is this? Blur, squinting, failed screening, trouble seeing
board
Referactive error/ reduced acuity
What kind do visual concern is this? Headaches with reading, tired eyes, short reading
endurance
Accommodative dysfunction
What kind do visual concern is this? Closes one eye, intermittent diplopia, trouble
sustaining near
Vergence dysfunction
What kind do visual concern is this? Loses place, skips lines, uses finger, excessive head
movement
Oculomotor dysfunction
Academic concerns despite normal basic exam
Consider additional VEE / possible VIPE referral
What is an infant?
Birth to 18 months
What is an toddler?
18 to 36 months
What is an preschooler?
3-5 years
What is an school-age?
5-18 years
What kind of testing should you do on an infant?
Objective
Why is it hard to examen a toddler?
They are more mobile and can’t sit still
What kind of testing can you do to school age pts?
Subjective
What age do they start following directions?
8 years
What VA to use for infants #1 choice?
Teller Acuity cards
What VAs can you use on infants?
ALL
What is the conversion from CPD to snellen for Teller acuity cards?
600/cpd
What outcome do you get on OKN drum for infants less than 6 months
Pronounced temporal to nasal outcome (asymmetric)
What is the test of choice for toddlers?
Cardiff cards
What is the test of choice for preschoolers?
Lea symbols
What kind of test is lea symbols?
Recognition acuity
What kind of test is teller acuity cards?
Resolution acuity
What is the test of choice for preschoolers?
HOTV
What should you use for preschoolers?
Resolution acuity
What is not a resolution acuity test?
Snellen chart
What is not a recognition acuity?
Broken wheel test
Max VA for .5-1 year old
20/200
Max VA for 2 years old
20/50
Max VA for 3 years old
20/30
Max VA for 4-5 years old
20/25
Where is MEM measured?
Pt’s harmon working distance
Is MEM object or subject?
Objective not subjective
NRA/PRA values
NRA = +2.00 ± 0.50
PRA = -2.37 ± 1.00
How to test for ocular motility in infants?
All of the above
How to test for ocular motility in toddlers & preschoolers?
H pattern & look from toy to toy
How to test for ocular motility in school age?
Dont me pick plz