L1 Visual pathway Flashcards
1
Q
Describe the route of the visual pathway?
A
Retina > Optic nerve > optic chiasm > optic tract > LGN of the thalamus > optic radiations > V1 area of the Primary visual cortex of the occipital lobe
2
Q
Where are the two synapses in the visual pathway?
A
LGN and visual cortex
3
Q
Blind spot is on the ___ side of the eye
A
Temporal
4
Q
Nasal visual field extends to about __˚ and temporal is __˚
A
60˚ nasal and 90-100˚ temporal
5
Q
Lesion of the left/right optic nerve will lead to…
A
Blindness in that eye
6
Q
Lesion on the optic chiaism will lead to…
A
Peripheral vision loss on both eyes
7
Q
Lesion in the optic tract will cause …
A
Complete loss of vision either on the left or right vision side.
8
Q
A
