How do you approach IOL exchange in a patient who is unhappy after cataract surgery with a premium IOL?  

The first step is determining why they are unhappy, is it a quality of vision issue? Something else, like diplopia or eye pain? Assuming it's a visual quality issue, the next step is assessing the reason: a careful evaluation of corneal surface (dry eye, ABMD, Salzmann's nodules), evaluating for le...