If your cornea is scarred from the fuch’s (which is what it sounds like from your description of blisters and laser), then that will limit your vision- your surgeon can give you a better idea of what your potential is (depends on how dense the scar and whether it obstructs the visual axis).

Cataract surgery aggravates fuch’s, but the cataract has to come out sooner or later- so it’s a matter of explaining to the patient the limits of the cataract surgery. leaving a cataract in the eye is not really an option- how can a patient see well with a significant cataract in the eye? the trick is to do the cataract surgery as carefully and delicately as possible to avoid aggravating the fuch’s. if the patient needs a dsaek after the cataract surgery- so be it.

Laser to the cornea really has nothing to do with the fuch’s- although theoretically, the shock wave of the laser could aggravate it, but again, extremely unlikely.