Wavefront Lasik Surgery Information
What is Wavefront Technology?
You hear about wavefront all the time on the commericals, but what is it? Wavefront as a technology is not new, it has been used in astronomy for years to sharpen images of objects in space. Recently it came in to use for our eyes. Simply put during a wavefront diagnosis, laser light is sent into the eye in a specific pattern, then measured after it has passed through the visual system. Any difference between what goes in and what is measured is considered an aberration. Think of a square grid going in and a wavy grid coming out. The waves represent aberrations which are mapped across the eye's cornea. The surgeon then has a very precise 3d map of the imperfections and aborrations in the eye. The wavefront data is translated into a formula that the surgeon uses to program corrections into the laser. The laser can then precisely vaporize tissue to reshape the cornea and correct refractive errors. This new technology also corrects the higher-order aberrations that cause glare, haloes and blurry images. Higher-order aberrations are distortions in the visual system that can only be detected with wavefront analysis and corrected with wavefront LASIK.
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