• We developed a new micro-iris retractor to achieve temporary intraoperative pupillary mydriasis in selected eyes undergoing pars plana vitreous surgery. The micro-iris retractor and its use were compared with previous methods for obtaining adequate intraoperative pupillary dilation.
McCuen BW, Hickingbotham D, Tsai M, de Juan E. Temporary Iris Fixation With a Micro-Iris Retractor. Arch Ophthalmol. 1989;107(6):925-927. doi:10.1001/archopht.1989.01070010947047