P1: Visual Developmemt Milestones

At birth

Can fixate and follow light or face

1 month

Starts fixation

3 months

Central fixation, follows slow targets, converges

4 to 6 months

Macula fully developed

4 to 6 months

Fusional reflexes and accommodation mature

4 to 6 months

Binocular vision develops

6 months

Curvature of cornea reaches adult level (44D)

9 months

Searches for hidden toys

2 years

Matches simple objects and pictures

3 years

Letter matching (Sheridan Gardiner)

5 years

Matches or names letters on Snellen Chart

At birth

Lens is spherical, has infantile nucleus

At birth

Retina developed except macula

At birth

Anterior chamber is shallow

At birth

Orbit more divergent (50° vs 45° in adult)

At birth

Lacrimal gland not fully functional

3 to 4 years

Lacrimal gland becomes fully functional

7 to 8 years

Eye reaches adult size (16.5 mm A-P length)