Pupil Light Responses Flashcards
1
Q
What is pupil size dependent on?
A
- Afferent stimulus
- Efferent sympathetic and parasympathetic innervation pathways
2
Q
What afferent stimuli affect pupil size?
A
Light and/or accommodative convergence
3
Q
What % of axons in the optic tract synapse in the midbrain?
A
Approx 10%
4
Q
What do axons in the optic tract synapsing in the midbrain innervate?
A
The ipsilateral and contralateral Edinger-Westphal nucleus
