Pupil

Question 1

Papilloedema

Answer 1

Blurred/ hazy disc margin
Neuroretinal rim = boggy/ swollen/ poorly defined
Cup is not visible

Question 2

Anisocoria

Answer 2

small amount of physiological asymmetry - anisocoria

Pathogological anisocoria - varies between dark + light

Question 3

Adies pupil

Answer 3

Post-ganglionic parasympathetic n fibre damage

Pilocarpine - constriction of abn pupil

Question 4

Horner’s

Answer 4

Cocaine - no response
Epinephrine - dilation
Hydroxyamphetamine in POST-G Horner’s pupil wont dilate

Question 5

Argyll-Robertson pupils

Answer 5

poor/no reaction to light but constricts to near stimulus
Neurosyphilis
Accommodates but doesn’t react to light

Question 6

Efferent defect

Answer 6

CNIII motor - dilated pupil, ptosis and divergent squint

pupil dilated ALL time

Question 7

Afferent defect

Answer 7

CNII damage - shine light in affected eye = both will be dilated because it does not pick up light