Refractive laser surgery uses a high energy ultra-violet laser to correct your vision error by removing microns of tissue from the stromal layer of the cornea to change the corneal curvature.
The laser reshapes the cornea to produce a curvature according to your eye prescription needs. All you do is focus on a light and a computer tracks your fine eye movements to ensure precision. The laser can correct short sightedness (up to 7 dioptres or so), long sightedness (up to 3 dioptres or so) and astigmatism (up to 4 dioptres or so).
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