Ancient Dragon - prior to my cataract surgeries 5 years ago, I looked into this lens that allows for near and far sight. After extensive DD, I received enough negative comment about this relatively new product/procedure that I opted for the standard lens replacement. I suggest you take the same extensive DD prior having this crystal lens placed in something as important as the eye. The negative comments were both from patients and Dr's and the fact that because of the newness there are few Dr's with many, many placements of this lens. Good Luck!