Most people are suitable for candidates for laser eye surgery. Those who are pregnant, have diabetes, keratoconus and some other rare conditions may be prohibited, but for most people the choice is theirs. Those under 18 need to wait, as the legal age for eye surgery for cosmetic reasons is 18. This is because eyes are still changing and developing until adulthood, so laser surgery would not be beneficial. Moreover, Laser eye surgery is not permanent. As we age, our eyesight continues to change and even the most successful surgery may need to be redone later in time if the eyesight changes and deteriorates at a normal rate due to aging changes. There are no guarantees that you will not have to wear glasses after LASIK surgery.
If you have the following kind of circumstance, the laser eye surgery may be a poor choice. You have server nearsightedness, fair good vision, large pupils, you actively participate in contact sports, surgery could jeopardize your career and cost may be an issue. If you have these problems, you need to rethink of having laser eye surgery.