What Is Contoura Vision? How It Differs From Standard LASIK
Dr. Nikhil Nasta
2 min read
Contoura Vision is a marketing name for a topography-guided LASIK workflow: before laser treatment, the corneal surface is mapped in high detail, and the treatment plan incorporates that map - not only your spectacle numbers.
Standard LASIK (in its classic form) is heavily driven by refraction (sphere, cylinder, axis). Contoura adds a layer: treat microscopic surface irregularities that can affect crispness and night-time quality, when clinically appropriate.
The core difference in one sentence
- Standard LASIK: “Treat the prescription.”
- Contoura / topography-guided LASIK: “Treat the prescription and refine the corneal optical surface using a topography-derived treatment profile - when mapping is reliable and the patient is suitable.”
What “22,000 data points” refers to
Eye hospitals often describe Contoura mapping as capturing tens of thousands of elevation points across the cornea. Practically, this means the laser software receives a high-resolution surface model rather than a coarse assumption of corneal smoothness.
Important nuance: more data is not automatically better for every eye. Map quality, tear film stability, and certain corneal conditions affect whether topography-guided treatment is ideal.
Who may benefit most
Patients with meaningful higher-order aberrations or surface irregularities - often alongside astigmatism - are commonly discussed as groups who may notice quality gains versus refraction-only treatments.
Who may not be ideal
Examples commonly evaluated carefully (sometimes directing away from Contoura or LASIK altogether):
- Suspected keratoconus or forme fruste patterns on topography
- Very unstable tear film / poor map repeatability
- Very thin corneas or other safety constraints
See if Contoura matches your cornea - not only your budget
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Dr. Nikhil Nasta
Dr. Nikhil Nasta is the Founder & Lead Surgeon at iSight Eye Care. With over two decades of experience, he specializes in advanced cataract surgery and comprehensive eye care, dedicated to restoring vision and improving patients' quality of life.
Frequently Asked Questions
No. Contoura is typically flap-based LASIK guided by topography; SMILE is a flapless lenticule procedure with different strengths and trade-offs.
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Disclaimer: This information is for educational purposes only. Individual cases vary; consult a specialist for personalized advice.