Obtaining appropriate mydriasis prior to cataract surgery is an important variable in
successful surgery. The current practice includes using topical anticholinergic and
sympathomimetic agents in the preoperative area prior to cataract surgery, but the pupils are
sometimes insufficiently dilated and can often need additional mydriasis with intracameral
agents during cataract surgery. Pre-operative topical mydriatic drops take time to take
effect, are mildly uncomfortable for the patient, and have a cost to the healthcare system.
If intracameral mydriasis alone can achieve adequate pupil dilation, perhaps topical
mydriatics would not be needed. The purpose of this study is to evaluate whether topical
versus intracameral versus topical + intracameral mydriasis is the optimal way to dilate
pupils during routine cataract surgery. The results of this study have implications for
improving the efficiency and reducing time prior to cataract surgery. In addition, it has
significant potential to reduce the cost associated with cataract surgery if preoperative
drops can be eliminated.