Pupil reflexes Flashcards
1
Q
How is an RAPD noticed on the affected side?
A
Swinging light test - when light is shone in eye, both should constrict briskly, then relax a little each time the light is swung to them
When light is swung across to affected side, both pupils dilate
2
Q
Where in the visual pathway is the pathology that causes an RAPD?
A
Pathology localised to visual pathway before the chiasm (optic nerve or retina)
3
Q
What pathologies could cause an RAPD?
A
Large retinal detachment
Central retinal arterty or ischaemic central retinal vein occlusion
Optic nerve ischaemia
Optic neuritis, compression or asymmetric glaucoma
