I was told I was not a candidate for lasik and went to 3 different doctors. Dr. Siems told me it would be no problem. My Rx was -975 in one eye, and -950 in the other. I had an unstable, changing Rx and astigmatism in both eyes. 10 years ago I came in and got Lasik. Today I came for a check up just to make sure everything is good. My vision was 20/15 after the surgery, and today it is 20/20. I love this doctor and will ALWAYS recommend him to everyone.