I had PRK surgery with Mr O'Brart in 1999. I was -2 to -2.5 and am now less than -0.5 is either eye. I fully recommend Mr O'Brart to anyone willing to pay for one of the best surgeons in the country.
I have written a web page detailing my experiences which is located at:
http://www.twinnies.demon.co.uk/prk/prkexperience.html
Cheers,
Paul