Pupil Flashcards

1
Q

Papilloedema

A

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

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2
Q

Anisocoria

A

small amount of physiological asymmetry - anisocoria

Pathogological anisocoria - varies between dark + light

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3
Q

Adies pupil

A

Post-ganglionic parasympathetic n fibre damage

Pilocarpine - constriction of abn pupil

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4
Q

Horner’s

A

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

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5
Q

Argyll-Robertson pupils

A

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

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6
Q

Efferent defect

A

CNIII motor - dilated pupil, ptosis and divergent squint

pupil dilated ALL time

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7
Q

Afferent defect

A

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

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