I have not personally observed anyone complaining of pain around the teeth or mouth, but it might be mitigated by reducing the power level and/or lowering the temperature in that zone. Also, if the speed of treatment in that area is reduced, some discomfort might be encountered.
Especially if you're visually handicapped, I would treat the cataracts, and then have lid surgery, unless the lids are obscuring your pupils from severe drooping and are functionally causing some of your visual problems.
If you have some residual refractive error (as in needing some eyeglass correction), then you should expect some blur. But it may take a week or two before your vision stabilizes. You may need to be checked for retinal issues also if the blur persists or can't be corrected with a refraction.
