pupil constriction in response to 2.5 % methacholine , indicative of parasympathetic denervation hypersensitivity , was significantly increased in patients with paf ( p less than 0.001 ) , whilst pupil dilation in response to 0.5 % phenylephrine , indicative of sympathetic denervation hypersensitivity , was also significantly higher in the paf patients ( p less than 0.001 ) .
C0026961
pupil
C0031469
phenylephrine