|
Age
|
Focusing & Contrast
|
Color vision & Eye Coordination
|
Visual Acuity
|
| birth to 2 mo.s |
inaccurate focusing
|
some color vision
eyes not well coordinated
|
20/120
(normal adult 20/20)
|
| 2 mo.s |
improved focusing
good contrast recognition
(about 1/2 adult sensitivity)
|
|
|
| 3 mo.s. |
 |
eye movements usually well coordinated
following movements become smooth
|
|
| 4 mo.s. |
good focusing
|
 |
20/60
|
| 5 mo.s |
recognize familiar faces
|
good depth perception (3-D vision)
|
|
| 8 mo.s |
 |
 |
20/30
|
| 3 years |
 |
 |
20/20
|