Postnatal Development of Visual function

Question 1

List the areas of the visual pathway that must develop in postnatal development?

Answer 1

Optical, retina, LGN, striate cortex

Question 2

List the perceptual developments that must occur for an infant to develop NBSV

Answer 2

VA, contrast sensitivity, stereopsis, vernier acuity

Question 3

What kind of prescription is a full term neonate likely to have?

Answer 3

+2.00DS plus or minus +2.00DS, with large astigmatic element

Question 4

What is likely to occur with the prescription in the first six months and beyond?

Answer 4

It will first get more hyperopic before beginning to recover

Question 5

What are some cues to accommodation?

Answer 5

Blur, vergence, chromatic abberration and disparity