Does LASIK Correct Astigmatism? | Restore Vision Centers

Modern LASIK can treat a wide range of prescriptions, including nearsightedness, farsightedness, and astigmatism.  The VISX laser used by Restore Vision Centers has the widest FDA-approved treatment range of any laser available.

In an eye with perfect vision, incoming light rays focus directly on the back of the eye, on the retina.

  • The cornea of the eye is spherical in some people, but in most people it is steeper in one direction, and flatter in another direction (picture a football on its side).  This is called astigmatism, and produces blur by focusing images at multiple distances.
  • Most people with nearsightedness or farsightedness also have some astigmatism.  With laser vision correction, astigmatism is corrected at the same time as the rest of your prescription.
  • A nearsighted eye is longer, so light rays focus in front of the retina.
  • Near

    objects are still clear, but distance objects are blurry.

  • LASIK is used to gently flatten the cornea, focusing the image back to the retina.
  • About 80% of laser vision correction patients are nearsighted.
  • A farsighted eye is shorter, so light rays focus behind the retina.
  • Both near and far objects are blurry, but far objects are clearer than near ones.
  • LASIK is used to gently steepen the cornea, focusing the image forward to the retina.
  • About 20% of laser vision correction patients are farsighted.
  • Farsightedness should not be confused with presbyopia, which is the gradual loss of near vision after age 40.  Presbyopia occurs in everyone, and eventually results in the need for reading glasses for near vision.

Refractive surgery corrects Astigmatism, Nearsightedness and Farsightedness. Learn More

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Category: Astigmatism

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