While it is rare, there are some patients who will benefit from an IOL exchange.
The reasons may include a desire to change the IOL power or, in this case, to change the type of IOL. It is easier to perform the IOL exchange in the week or two after the original cataract surgery, but it can still be done safely months or years later with care taken to free the haptics from their attachments to the capsular bag.
In the case presented here, a patient who has high demands for his vision sought to address the issue of presbyopia in his mid 50s. He elected to have a refractive lens exchange and