Normal Visual Development

Question 1

At what age does visual fixation achieve accuracy?

Answer 1

By 6-8 weeks of life

Question 2

By what age should infants be able to track objects across midline?

Answer 2

By 2 months of age

Question 3

By what age should infants be able to track objects to 180° and demonstrate conjugate gaze?

Answer 3

By 4 months of age

Question 4

Define stereopsis.

Answer 4

Stereopsis, otherwise known as binocular depth perception, is when two separate images (one from each eye) are combined into one image in the brain.

Question 5

At what age would you expect an infant to demonstrate binocular depth perception?

Answer 5

Binocular visual function develops between 3 and 7 months of age.

Question 6

Define accommodation in relation to vision.

Answer 6

Accommodation is the ability to focus the intraocular lens for near-viewing.

Question 7

Are most infants nearsighted or farsighted at birth?

Answer 7

Due to its size and shape, the normal eye at birth is often hyperopic (farsighted).

Question 8

At what age would an infant be expected to demonstrate visual accommodation?

Answer 8

The ability is present at birth, but is not accurate until 2-3 months of age.

Question 9

When does color discrimination develop in the normal infant?

Answer 9

Color discrimination occurs by 2 weeks of age and improves over the next 3 months.