Strabismus and visual development

Question 1

1. Which of the following best describes emmetropisation?
   A. Passive corneal flattening due to intraocular pressure
   B. Neural recalibration of accommodation reflexes
   C. Process where eye growth reduces refractive error toward emmetropia
   D. Equalisation of binocular fixation reflexes

Answer 1

C

Question 2

2. The main period of emmetropisation occurs:
   A. Birth–6 months
   B. 6 months–2 years
   C. 2–6 years
   D. After 7 years

Answer 2

B

Question 3

3. The foveal cone packing density increases by approximately:
   A. 2×
   B. 4×
   C. 6×
   D. 10×

Answer 3

B

Question 4

4. Which LGN layers receive contralateral eye input?
   A. 2, 3, 5
   B. 1, 4, 6
   C. 1, 2, 3
   D. 4, 5, 6

Answer 4

B

Question 5

5. The segregation of geniculate afferents into ocular dominance columns completes by:
   A. 2 weeks
   B. 4–6 weeks
   C. 3 months
   D. 6 months

Answer 5

B