Click the picture above or the Lasik button on the left.
Lasik has always been know as a laser surgical procedure that “improves” natural refractive errors of the eye (nearsightedness, farsightedness, and astigmatism).
During prior Lasik procedures, the eye is first flattened by a suction ring, which temporarily increases the pressure inside the eye to four times normal. A superficial circular flap is then sliced off the cornea, and an ultraviolet laser is used to trim the cornea, to change its shape. The flap is then repositioned.
Lasik is a cosmetic procedure and as such, is not covered by most medical insurance plans. It does not make the eye “see better”; in fact, all eyes see slightly worse (i.e. lose contrast sensitivity) after Lasik. Lasik simply allows people to see without glasses.
Lasik is usually quite predictable (94% see 20/40 or better without glasses after Lasik), but not completely so; many people still need glasses after Lasik, just thinner ones.
Lasik is surgery. All surgery permanently changes the eye. All surgery can have unforeseen complications. Among the complications: halos around lights, loss of seeing at night, severe dry eye syndrome, and loss of the ability to see shades of gray. Also, eventually, you will still need reading glasses when you reach the 40's.
Currently, there is a laser treatment (flying spot) that allows for better "following" of the eye - try keeping your eye still when you see what is described above coming at it! It predicts where you are going to look and it follows your eyes movement. Don't forget, one wrong zap with the laser and your vision would be worse than what you already had been seeing.
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