Articles/FAQ · Eye Surgery

LASIK Technology

LASIK is the continuous evolution of technology, and two significant innovations that have emerged are the Wavelight laser and Contoura Vision.

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LASIK Eye Surgery Technology

LASIK (Laser-Assisted In Situ Keratomileusis) surgery has revolutionized the field of ophthalmology, providing millions of people worldwide with a life-changing solution to refractive errors like myopia, hyperopia, and astigmatism. One of the key factors behind the success of LASIK is the continuous evolution of technology, and two significant innovations that have emerged are the Wavelight laser and Contoura Vision. In this article, we delve into the intricacies of LASIK technology, exploring the principles behind the Wavelight laser and the revolutionary Contoura Vision system.

Understanding LASIK Technology

LASIK is a surgical procedure that reshapes the cornea, the transparent front part of the eye, to improve vision by focusing light directly onto the retina. The fundamental concept involves using a laser to create a precise flap on the cornea, followed by the application of another laser to sculpt the corneal tissue and correct refractive errors.

What is the Wavelight LASIK Laser?

Wavelight lasers represent a significant leap forward in LASIK technology. These lasers utilize a sophisticated method called wavefront-optimized  technology. Traditional LASIK procedures corrected refractive errors based on prescription glasses, which addressed only the most basic aspects of vision. In contrast, wavefront optimized treatments attempt to preserve the asphericity of the cornea by delivering more laser energy in the corneal periphery.Wavefront optimized treatments reduce or minimize the induction of higher-order aberrations (HOA) that have been associated with visual symptoms after conventional refractive surgery.

What is a Contoura Vision System?

Contoura Vision is a revolutionary LASIK technology that takes personalization to the next level. Developed by Alcon, the Contoura Vision system integrates corneal topography and wavefront-guided technology to create an even more detailed and individualized treatment plan.

Corneal topography involves mapping the curvature of the cornea, providing information about its shape and irregularities. Combining this data with wavefront measurements, the Contoura Vision system creates a comprehensive 3D map of the eye. This precise mapping allows the laser to address not only the refractive errors but also subtle corneal irregularities, known as higher-order aberrations, that were previously difficult to correct.

The Contoura Vision system’s ability to address these higher-order aberrations contributes to improved visual outcomes, particularly in low-light conditions and situations with high contrast. Patients often report sharper, clearer vision and reduced instances of halos and glare.

What’s the difference between the Visx and Wavelight Laser?

The Wavelight and Visx lasers are two different brands of excimer lasers commonly used in LASIK surgery. While both are designed to reshape the cornea to correct refractive errors, there are differences in their technologies and features. Let’s explore the distinctions between the Wavelight and Visx lasers in LASIK procedures:

In summary, both Wavelight and Visx lasers are reputable and widely used in LASIK surgery. The choice between them often depends on the surgeon’s preference, the specific model of the laser, and the patient’s individual needs. It’s essential for individuals considering LASIK to consult with their eye care professionals to determine the most suitable technology for their unique vision correction requirements.

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