relative afferent pupillary defect (RAPD)

Question 1

what is RAPD also known as?

Answer 1

Marcus-Gunn pupil

Question 2

how is RAPD found?

Answer 2

swinging light test

Question 3

what is RAPD caused by?

Answer 3

lesion anterior to optic chiasm i.e. optic nerve or retina

Question 4

what are the causes of RAPD?

Answer 4

retina: detachment

optic nerve: optic neuritis

Question 5

what is the afferent pathway of pupillary light reflex?

Answer 5

retina → optic nerve → lateral geniculate body → midbrain

Question 6

what is the efferent pathway of pupillary light reflex?

Answer 6

Edinger-Westphal nucleus (midbrain) → occulomotor nerve