Lecture 2 Flashcards
Amblyopia, strabismus, and refractive error are concerns for children of all age groups. T/F?
True
Neurological disorders are only a concern in what age group?
infants. (birth to 18 months)
Functional BV, Accommodation, color vision, and oculomotor dysfunctions become concerns at what age?
School age (6-18 years)
What 3 parts of the case history are unique to a pediatric exam?
Birth History
Delays reaching milestones
Educational History
The fix, follow, and maintain monocular/binocular fixation pattern VA test is only used in last resorts because it is not very detailed and is not quantitative. T/F?
True
What is the most objective VA test?
VEP
but usually not used clinically b/c its expensive and time-consuming
PL overestimates acuity loss due to amblyopia, refractive error, and macular/foveal pathology. T/F?
False.
it underestimates
The norms of VA testing in infants come from which method?
Forced choice preferential looking
Cardiff cards are used in children of what ages?
over 12 months and up to 3-5 years
Using the cardiff cards a 2 year old baby has a VA of 20/80. Is this within the normal range?
YES. (range for 18-24 months = 20/25 - 20/100)
What is the range of VA acceptable for children ages 24-30 months?
20/25 - 20/60
PL, tumbling E, and Broken Wheel all test resolution acuity. T/F?
True
Name 4 tests used for motor evaluation (eye alignment)
Hirschberg
Krimsky
Bruckner
Cover Test
Bruckner test provides a lot of information quickly and objectively about the presence what 4 conditions?
Strabismus
Anisometropia
Media Opacities
Pupil size asymmetry
What is the most common color vision test used?
PV-16 aka D-15
You test the VA of a healthy infant age 15 month, using the Cardiff acuity test. What range do you expect the VA to fall in?
20/50 - 20/120
LogMAR letter acuity can be used for children ages 3-7 years of age. T/F?
True
Using the LogMAR letter acuity test, a 3 year old is expected to have what VA range?
20/50 - 20/20
Using the LogMAR letter acuity test, a 7 year old is expected to have what VA range?
20/30 - 20/10
A 3 card difference is considered significant b/w visits if Teller Acuity cards were used. T/F
true. (2 cards+ diff = significant)
A 2 line difference is considered significant b/w visits if using senile acuity. T/F
False. (3 lines+ diff = significant)