Ocular Health Flashcards
What colors can babies differentiate?
Black and white
What colors can infants differentiate?
red
What colors can 1 month of age differentiate?
Blue and green from gray
What colors can 3 month year olds differentiate?
Yellow,, green, blue, from gray
Whos fault is it for color defects?
Mothers fault, X-linked
What percent do boys have color deficit?
8%
What does HRR book allow you to do?
Allows you to quantify defect
If child misses one plate, what do you do?
Do the whole book and record outcomes
What would patients see on Ishihara?
numbers that determine red/green defect.
Differentiates dustan from proton.
What is the hardest color test?
D-15 test
When will a Caucasian baby have permanent pigment in the iris? In what layer of iris changes?
1 year. Stroma
When will a Caucasian baby have permanent pigment in the iris? In what layer of iris changes?
1 year. Stroma
How long does it take for babies to have normal pupils?
6 months. Starts out small and sluggish.
If baby is born 31 weeks early, what kind of pupillary response will they have?
Poor response
True or false:
Newborns have good FOV.
False they have reduced field of view until 10 years of age.
When is superior visual field at adult levels?
1 year
Normal IOP
8.4-25mmHg.
Who has higher IOP, infants or adults?
Adults
Between ages 5 to 9, how much IOP does it go up each year?
1 mmHg each year
Does general anesthesia lower IOP
Yes
At what age does person have normal levels of IOP?
Age 12
What is the gold standard IOP assessment?
Goldmann
What do you use to observe open angles in anterior set?
Shadow test
How long do you wait for dilation?
20-40 minutes
