Congenital and Early Eye Development Flashcards
Vision is developing from birth to ____months
3
When do babies see clearly
4-6 months
Eye, hand coordination occurs from ____ to ____ months
8-12
what is happening from birth to 3 months
acuity, light sensitivity, color, movement, and recognition
T/F Newborns have accmmodation
F; VA is 20/600
What is a babies VA between 2-3 months
20/200
The ____ threshold is much higher in infants
scotopic; they need much brighter stimulus if trying to see something in the dark
T/F An infant requires a larger number of quanta to be absorbed before it starts responding.
T
In a babies first month they are ___ times less sensitive to light. At 3 months they are _____ less sensitive
50; 10
What wavelength is missing or is diminished in infants
shorter wavelengths; blue and violet
Infants notice hairline and edge of face. By 2 months they start to look at fixation on ____ and _____
eyes and mouth
By 4 months; acuity is increasing to _____
20/100
By ____ months to a year, acuity has improved to ____
8; 20/30
By ____ months most kids get to 20/20.
36
Which developmental aspects are fast
- color
2. visuomotor