Correcting astigmatism with Intralase with Lasik?

I am going to be getting the Intralase with wave-guided Lasik with the Visx Star4 laser. The astigmatism is at a cylinder 3.75 and 2.75 in the other my SPH numbers are moderate at 3.25 and 3.50. My glasses prescription has been stable for about 6 years. Should I be concerned that the surgeon will be able to correct the astigmatism?

4 answers to “Correcting astigmatism with...”

A: Intralase has no effect on amount of astigmatism treated

Jon Dishler, MD
By Jon Dishler, MD - Denver Ophthalmologist

The laser you describe should be able to treat both the astigmatism and the spherical portion of your prescription, and using the Intralase to make the flap should not have any effect of the potential results of your treatment. As another doctor mentions we have found for high astigmatism corrections that the... more

A: The Visx Laser and is FDA approved for up to 5 diopters of astigmatism

Jennifer J. Lee, MD
By Jennifer J. Lee, MD - Seattle Ophthalmologist

The amount of astigmatism that you have currently should not be an issue with the VISX laser as it is now FDA approved for up to 5 diopters of astigmatism. Your surgeon will mark your eye carefully and you should be able to have a good refractive result.  With either the intralase laser or PRK the shape... more

A: Treating Astigmatism

Gary Kawesch, MD
By Gary Kawesch, MD - San Jose Ophthalmologist

The latest version of the Visx is FDA approved to treat up to 5 diopters of astigmatism, so you are well within the bounds. I've treated up to 8 diopters with other lasers, with generally very good results. This is considered "off-label"--the lasers were never tested in the FDA studies for... more

A: Treating Astigmatism with LASIK

Cary M. Silverman, MD
By Cary M. Silverman, MD - New Jersey Ophthalmologist

The VISX S4 laser for LASIK can easily treat 3.75 d of astigmatism, though I find the Wavelight laser does a better job with astigmatic treatments.

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