Thanks - I have spent a lot of time looking at the different options and well aware of the risks, if I decide to proceed, it will be with one of the higher-rated clinics (and more expensive) as the additional cost will outweigh the difference in risk.
The main aim is so that I do not need to wear glasses, being a wearer for >15years and with my eyesight now settled, its something I have been considering for a long time. Although I have not yet been for a consultation, it will most likely be a LASIK