Visual Development

Question 1

When do horizontal and vertical saccades present?

Answer 1

Horizontal saccades are already present in new borns.

Vertical saccades present at 2 months

Question 2

When do pursuits emerge?

Answer 2

2-4 months of age

Question 3

When does the optokinetic response occur?

Answer 3

T-N and N-T response (asymmetic) for the first 4 months and becomes a symmetric response at 6 months

Question 4

What is the VA of a newborn?

Answer 4

20/400 to 20/1200

Question 5

What is the VA of a 1 month?

Answer 5

20/300 to 20/1200

Question 6

What is the VA of a 2-4 month?

Answer 6

20/150 to 20/600

Question 7

What is the VA of a 6-12 month?

Answer 7

20/50 to 20/200

Question 8

What is the VA of 18 month?

Answer 8

20/40 to 20/100

Question 9

What is the VA of a 24 month?

Answer 9

20/30 to 20/80

Question 10

At what age does VA reach 20/20?

Answer 10

3 years

Question 11

What is the VA of a newborn using VEP?

Answer 11

20/400

Question 12

What is the VA of a 1month using VEP?

Answer 12

20/200

Question 13

What is the VA of a 2-4 month yo using VEP

Answer 13

20/80

Question 14

What is the VA of a 6-12 month yo using VEP?

Answer 14

20/20

Question 15

What does binocular reach adult levels?

Answer 15

18 months

Question 16

At what age are they able to converge to the nose?

Answer 16

6 months

Question 17

fixation/ following a target usually begins at what age?

Answer 17

4 months

Question 18

Stereopsis reaches adult levels by what age?

Answer 18

6 months

Question 19

Accommodation reaches adult levels at what age?

Answer 19

6 months

Question 20

Pupil responses are well-developed at what age?

Answer 20

1 month

Question 21

Color vision reaches adult-like levels at what age?

Answer 21

3 years of age

Question 22

Blink response to visual threats begins at what age?

Answer 22

2 months

Question 23

Contrast sensitivity is completely developed at what age?

Answer 23

3-5 years