How Effective Is Laser Eye Surgery?

Laser eye surgery can often correct vision problems, but it's not right for everyone.

The procedure isn't risk-free, and perfect vision can't be guaranteed.

Radial keratotomy (RK) is the form of laser surgery done to correct nearsightedness. According to the National Eye Institute, 10-year follow-ups on some of the first patients to have RK revealed that:

* 70 percent no longer needed glasses for distance.
* 53 percent had 20/20 vision with no glasses.
* 85 percent had at least 20/40 vision without glasses.

However, there was at least one downside: 43 percent developed hyperopic shift, a gradual change toward farsightedness, at a younger age than expected.

Laser eye surgery techniques continue to improve. But it's important to have more than one consultation before you proceed.

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