What Prescription Is Too High For LASIK?

what prescription is too high for lasik

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In the quest for visual freedom, LASIK eye surgery has emerged as a beacon of hope for many. At Liberty Laser Eye Center, located in the heart of the Washington DC Metro, we’re committed to helping you navigate the landscape of this transformative procedure. However, one critical aspect that often arises is understanding the limits of LASIK, particularly concerning prescription strengths. Let’s delve into what constitutes a prescription that might be too high for LASIK and explore various facets of this innovative solution.

Understanding Prescription Limits for LASIK

LASIK, or Laser-Assisted In Situ Keratomileusis, corrects vision by reshaping the cornea, the clear front part of the eye. This alteration allows light entering the eye to be properly focused onto the retina for clearer vision. However, there’s a threshold to how much the cornea can be safely modified.

LASIK Prescription Range

Prescription Type Range Considered Safe for LASIK
Myopia (Nearsightedness) Up to -12.00 Diopters
Hyperopia (Farsightedness) Up to +6.00 Diopters
Astigmatism Up to 6.00 Diopters

These ranges are indicative and can vary based on individual corneal thickness and health. Patients beyond these limits may risk compromised corneal integrity.

Frequently Asked Questions

What factors influence LASIK eligibility beyond prescription strength?

Several factors, including corneal thickness, eye health, and age, play pivotal roles in determining LASIK eligibility. Thinner corneas, for instance, may limit the amount of correction feasible, while conditions like dry eye syndrome or keratoconus can affect outcomes. Furthermore, patients should be over 18, with a stable prescription for at least a year.

Can advancements in LASIK accommodate higher prescriptions?

Yes, technological advancements in LASIK, such as wavefront analysis, have broadened the spectrum of treatable prescriptions. This technique provides a more precise corneal mapping, allowing for customized treatments that can address higher degrees of refractive errors more safely and effectively.

Are there alternatives for those with high prescriptions?

For those whose prescriptions exceed the LASIK limits, alternative procedures like PRK (Photorefractive Keratectomy) or ICL (Implantable Collamer Lens) might be viable options. PRK, similar to LASIK but without creating a corneal flap, suits those with thinner corneas. ICL involves implanting a lens inside the eye, which is reversible and does not alter corneal structure.

How do I know if my prescription is too high for LASIK?

The best way to determine if your prescription is too high for LASIK is through a comprehensive eye exam and consultation with a LASIK specialist. At Liberty Laser Eye Center, we offer in-depth evaluations to assess your unique vision needs and recommend the most suitable treatment plan.


Understanding the limits of LASIK concerning prescription strengths is vital for potential candidates. While there are general guidelines, individual assessments are essential to determine suitability. For those with high prescriptions, alternatives to LASIK might offer a viable solution. At Liberty Laser Eye Center, we’re committed to providing personalized care and leveraging the latest technological advancements in eye surgery to ensure the best outcomes for our patients. Our team is dedicated to guiding each individual through their vision correction journey, offering expert advice, and employing cutting-edge techniques. If you’re considering LASIK or have questions about your prescription limits, we encourage you to reach out to us. Explore your options and take the first step towards clear vision with Liberty Laser Eye Center, your trusted partner in eye care excellence.

Liberty Laser Eye Center
8321 Old Courthouse Road
Vienna, VA 22182

(571) 234-5678

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