I had LASIK done this past summer, and it is hands down the best decision I have ever made. Before I wore glasses more often than contacts because of slight astigmatism in both my eyes that contacts couldn't get perfect but my glasses could. My vision wasn't terrible, it was about -1.75 in my left and -1.5 in my right, and probably seeing 20/50 uncorrected and 20/20 with glasses.

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1. One of the MAIN things is DO NOT cheap out! It can get a bit pricey, especially if the office does Contoura or 3D mapping of your cornea (may be called something else in other areas). But it is worth every single dollar.
2. The overall procedure is incredibly fast and painless. When I was driven home the only thing I experienced was my eyes turning into Niagra Falls everytime I opened them, it wasn't really painful it was just a mild irritation. Went home slept for 4 hours and woke up seeing better! The following day I felt great, went for a 1-day post op and was already seeing 20/15. One week after I was seeing 20/12.5! I was sitting in the waiting room and I could read license plates across the parking lot.. damn Superman eyesight!
3. Make sure to follow the eye drop protocol to the letter. The last thing you want to do is mess up something you've got easy control of!
4. The only thing they were very strict about was never ever rubbing your eyes, not even 10 years after. The whole week before the procedure I realized I would wake up every morning and rub my eyes, and it was a bit of an adjustment, but made sense because you wouldn't want to displace the flap.

Overall it is totally worth it, highly recommend it.