Can You Get LASIK If You Have Astigmatism?
Yes, you can get LASIK with astigmatism, and in most cases it works extremely well. Modern all-laser LASIK platforms are specifically designed to correct astigmatism by reshaping the cornea into a more symmetrical curve. At Visionary Eye Surgery in Plano, astigmatism correction is one of the most common things I do.
But I get why people ask. For years, there was a rumor floating around that astigmatism disqualified you from LASIK. That made some sense in the 1990s. It doesn’t anymore.
What Exactly Is Astigmatism?
Your cornea is supposed to be shaped like a basketball, roughly the same curvature in every direction. With astigmatism, it’s shaped more like a football. One meridian is steeper than the other. That’s why your vision is blurry at every distance, not just up close or far away.
It’s not a disease. It’s not dangerous. It’s just a shape issue. And LASIK is very good at fixing shape issues.
How Does LASIK Correct Astigmatism?
During all-laser LASIK, I create a thin flap on the cornea using a femtosecond laser. Then a second laser, the excimer, reshapes the underlying tissue. For astigmatism, the laser removes tissue in a very specific pattern to even out the curvature.
What makes 2026 technology different from what was available even five years ago is the precision. Topography-guided LASIK, which I use at Visionary Eye Surgery, maps thousands of data points on your cornea. It doesn’t just treat your prescription. It treats the specific irregularities on your individual eye. That’s a big deal for astigmatism patients in particular, because no two astigmatic corneas are shaped exactly the same way.
Is There a Limit to How Much Astigmatism LASIK Can Correct?
There is. Most FDA-approved platforms can treat up to about 5 or 6 diopters of astigmatism. That covers the vast majority of patients I see in Plano and across Dallas-Fort Worth.
If your astigmatism is higher than that, or if it’s irregular rather than regular, we have other options. EVO ICL works well for patients with very high prescriptions who aren’t ideal LASIK candidates. ASA/PRK is another alternative that avoids creating a flap entirely, which can be better for certain corneal shapes.
The point is, having astigmatism doesn’t mean you’re out of options. It just means we need to pick the right option for your specific cornea.
What If I Was Told Years Ago That I Couldn’t Get LASIK?
This happens more than you’d think. I probably see two or three patients a month in my Plano office who were told five or ten years ago they weren’t candidates. Technology has changed. The lasers are more precise, the diagnostic imaging is more detailed, and the treatment zones are wider.
A patient who was borderline in 2018 might be a straightforward candidate in 2026. The only way to know is a current evaluation. I’d never tell someone they’re a candidate without examining them, but I also wouldn’t assume the old answer still applies.
Will My Astigmatism Come Back After LASIK?
The corneal reshaping from LASIK is permanent. The astigmatism that gets corrected doesn’t grow back. Your cornea isn’t going to slowly morph back into a football shape.
That said, your eyes are biological. They can change over time, especially as you get into your 40s and presbyopia starts to show up. That’s not the astigmatism returning. It’s a different process entirely. And if a small amount of residual astigmatism shows up years later, an enhancement procedure can often fine-tune the result.
At Visionary Eye, I offer an enhancement policy so patients know they’re covered if anything needs adjusting down the road.
How Do I Find Out If My Astigmatism Qualifies?
The only real answer is a comprehensive evaluation. I measure your corneal thickness, map the topography, check the wavefront profile, and look at the overall health of the eye. The whole thing takes about an hour and it’s free at Visionary Eye Surgery.
If you’re in North Texas, Plano, Dallas-Fort Worth, or anywhere in DFW and you’ve been wondering whether your astigmatism disqualifies you, it probably doesn’t. But don’t take my word for it without an exam. Come in and let me look at your eyes. That’s the only way to know for sure.
Keep Reading
All-Laser LASIK at Visionary Eye Surgery
EVO ICL for High Prescriptions
ASA/PRK as a LASIK Alternative
Patient Testimonials
Visionary Eye Surgery | Plano, TX
