in this double-masked clinical study , we evaluated four concentrations of tropicamide ( 0.05 % , 0.1 % , 0.25 % , and 0.5 % ) combined with hydroxyamphetamine 1 % to find the combination that gives maximal pupillary dilation and inhibition of responsiveness to light and minimal paralysis of accommodation .
C0041190
tropicamide
C0026961
pupillary dilation