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Refractive Surgery: Laser Thermal Keratoplasty (LTK)Cirug­a refractiva: queratoplastia t©rmica con l¡ser (LTK)

Refractive Surgery: Laser Thermal Keratoplasty (LTK)

LTK (laser thermal keratoplasty) is a technique for reshaping corneal tissue to help you see better without glasses or corrective lenses. This procedure uses a holmium laser to gently heat certain areas of the cornea. It shrinks the outer portion of the cornea, making the central cornea steeper.

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What to Expect During the Procedure

  • Before treatment, you may be given medication to help you relax.

  • Eyedrops numb your eyes. A device is used to keep your eyes open.

  • Laser treatment lasts a few seconds for each eye.

  • Your vision should start to improve right away. It may take 3-6 months for your vision to become stable.

Pros of LTK

  • Very safe procedure with few complications

  • No touch procedure (no cutting or removal of corneal tissue)

  • No scarring in the central cornea

  • Low risk of dry eyes

  • Immediate vision improvement

Cons of LTK

  • Vision improvement may wear off over time

  • May take several months for vision to become stable

  • Risk of undercorrection or overcorrection

  • Risk of loss of best corrected vision

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Publication Source: Lewis C

Online Source: Lewis C

Date Last Reviewed: 2004-09-08T00:00:00-06:00

Date Last Modified: 2003-06-23T00:00:00-06:00