L1 Visual pathway

Question 1

Describe the route of the visual pathway?

Answer 1

Retina > Optic nerve > optic chiasm > optic tract > LGN of the thalamus > optic radiations > V1 area of the Primary visual cortex of the occipital lobe

Question 2

Where are the two synapses in the visual pathway?

Answer 2

LGN and visual cortex

Question 3

Blind spot is on the ___ side of the eye

Answer 3

Temporal

Question 4

Nasal visual field extends to about __˚ and temporal is __˚

Answer 4

60˚ nasal and 90-100˚ temporal

Question 5

Lesion of the left/right optic nerve will lead to…

Answer 5

Blindness in that eye

Question 6

Lesion on the optic chiaism will lead to…

Answer 6

Peripheral vision loss on both eyes

Question 7

Lesion in the optic tract will cause …

Answer 7

Complete loss of vision either on the left or right vision side.