- Over- or under-treatment of the condition may occur, requiring additional surgery, contact lens, or glasses.
- Reading glasses may still be needed after surgery.
- Some patients, although they may see much better than before LASIK without glasses, will still need glasses for their best vision.
- Problems with night driving or visual symptoms, such as glare and haloes.
- Problems with a decrease in contrast sensitivity, and even with 20/20 vision, objects may appear fuzzy or gray.
- Corneal infection.
- Corneal scarring, permanent warping of the cornea and an inability to wear contact lenses.
- A loss of vision -- not seeing as well after surgery, even with glasses or contacts as before the surgery.
- Permanent vision loss.
- Flap complications.
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Light sensitivity.
- Dryness.
- Scratchiness.
- Patches of red or pink in the white of the eye.
- Decreased distance vision at high altitudes.
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