I didn't have PRK.
PRK is old and primitive. It is also a bit hit and miss. I would not ever recommed that to anyone; however I do know of many whom were happy with the results.
When I had my eyes done in 2004, the two procedures available were LASIK and LASEK. Both use the same laser to correct your vision. With EK, rather than creating a flap to lift the surface to provide the laser with direct access to cornea, they remove the membrane with a blade. After the laser treatment, they then place a clear contact lens over it to allow it to heal whilst keeping it clean. It takes a couple of days longer to see again however the vision improves by the day. After a week when the surace has healed and started to regrow, they then remove the clear contact lens and you almost start again.
I had the EK procedure because it leaves you with a stronger eye and no flap that they claim to be able to reopen if required.
I understand that the newer proxcess where they use a laser rather than a blade is a lot better and less likely to weaked you eyeball. That's great. If you are happy with what you have seen and are happy with the answers to your concerns, then I am pleased for you and think you should get it done asap.
BTW: There is another procedure for people with really bad eyesight (>-8) where they insert a lens inserted inside the eye infront of the cornea. I certainly wouldn't have this done!
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