VISUAL DEVELOPMENT Flashcards
1
Q
Can fix and follow a light source, face or large, colorful toy.
A
Very soon after birth
2
Q
Fixation is central, steady and maintained, can follow a slow target, and converge, preference of looking at face.
A
1 month
3
Q
binocular vision and eye coordination, eyes follow a moving light or face, responsive smile.
A
3 months
4
Q
Reaches out accurately for toys.
A
6 months
5
Q
look for hidden toys.
A
9 months
6
Q
Picture matching
A
2 years
7
Q
Letter matching of single
letters (e.g., Sheridan Gardiner)
A
3 years
8
Q
Snellen chart by matching or naming
A
5 years
9
Q
Blinking (to light stimulus)
A
Birth
10
Q
Vestibulo-ocular
A
1 week
11
Q
Small saccades
A
2 weeks
12
Q
Large saccades, pursuit, bifoveal fixation, convergence
A
2 months
13
Q
Uniocular fixation
A
3 months
14
Q
Fusional vergence, sensory fusion, stereopsis
A
4 months
15
Q
Accomodation
A
6 months
