ANISOCORIA

SYMPATHETIC HORNER'S SYNDROME

PARASYMPATHETIC

Postganglionic

Preganglionic

Preganglionic

Postganglionic

1–3% pilocarpine

Postganglionic

Preganglionic

Iris disease Atropine

Postganglionic

End

Anisocoria in the dark
PLR good in both pupils

Pupils dilated and equal in dark
PLR poor/absent in one pupil

1% Phenylephrine

Hydroxyamphetamine

0:1% Pilocarpine

Physostigmine

Dilation

No dilation

Dilation

No dilation

Constriction

No constriction

Constriction

No constriction

No constriction

Constriction