Types of Laser Eye Surgery

The main types of laser eye surgery available today are LASIK, LASEK, ReLEx SMILE, and Presbyond. While each procedure precisely reshapes the cornea to correct short-sightedness, long-sightedness, and astigmatism, they differ in how the corneal tissue is accessed and treated to achieve visual independence. 

Understanding the different types of laser eye surgery is an essential first step on your journey to clearer vision. At Optegra, our specialist hospitals offer all types of laser eye surgery, with our consultant surgeons delivering tailored, unbiased advice built around your unique eye health and lifestyle needs. 

An Overview of the 4 Laser Eye Surgery Types

While all modern laser eye surgery types share the fundamental goal of correcting refractive errors, the exact technique used to access and reshape the cornea varies significantly between procedures. 

ReLEx SMILE: Keyhole Laser Surgery

SMILE, short for Small Incision Lenticule Extraction, is the latest advancement in laser vision correction. This minimally invasive keyhole procedure is used primarily to correct myopia (short-sightedness) and astigmatism. 

During SMILE treatment, a state-of-the-art femtosecond laser creates a tiny, disc-shaped piece of corneal tissue called a lenticule within the inner layers of the eye. The surgeon then gently removes this lenticule through a microscopic keyhole incision, modifying the shape of the cornea to adjust your focus. Patients frequently select SMILE because it is performed as  keyhole surgery, resulting in rapid recovery, exceptional structural stability, and a significantly lower risk of post-operative dry eye symptoms. It’s a fantastic option for individuals with active lifestyles, thinner corneas, or those who participate in contact sports.

LASIK: Flap-Based Laser Eye Surgery

LASIK, or Laser-Assisted in Situ Keratomileusis, remains the most popular refractive procedure performed. It provides an exceptionally reliable solution for short-sightedness, long-sightedness, and astigmatism. 

The LASIK laser eye treatment uses two complementary lasers to achieve pinpoint visual correction. First, a precise femtosecond laser creates an ultra-thin, protective flap on the outer surface of the cornea. The surgeon gently lifts this flap, allowing an excimer laser to reshape the underlying corneal tissue. For short-sightedness, the laser flattens an overly steep cornea, while for long-sightedness, it steepens a flat cornea. For those with astigmatism, it smooths out irregular curves. Once reshaped, the protective flap is repositioned to naturally heal without stitches. 

LASIK is celebrated for delivering near-instant visual improvement with minimal recovery time or discomfort.

LASEK: Surface Laser Eye Surgery

LASEK, standing for Laser Epithelial Keratomileusis, is a proven surface-based procedure ideal for correcting short-sightedness, long-sightedness, and astigmatism. 

With LASEK treatment, the ultra-thin corneal surface cells, known as the epithelium, are gently softened with an alcohol solution and then moved aside. An excimer laser then reshapes the underlying corneal bed, after which the surface layer is repositioned to heal naturally beneath a protective bandage contact lens. 

LASEK is the preferred solution for patients who are unsuitable for LASIK due to naturally thin corneas. It’s also highly recommended for individuals working in high-impact professions, such as the armed forces or emergency services, where flap displacement risks must be avoided.

Presbyond Laser Blended Vision: Treatment for Age-Related Reading Vision

For individuals aged forty and over who are beginning to experience age-related reading vision loss, known as presbyopia, Presbyond laser eye surgery offers an advanced alternative to traditional reading glasses or standard monovision. 

Presbyond laser blended vision customises the focus of each eye individually using sophisticated wavefront technology. One eye is corrected primarily for distance vision with a slight blend for intermediate distance, while the other eye is tuned for near vision with a corresponding intermediate blend. This advanced technique creates a continuous, natural blend zone where the brain seamlessly fuses images from both eyes, restoring clearer vision across reading, intermediate, and distance ranges without sacrificing depth perception. 

The Benefits & Differences

Comparing the different types of laser eye surgery side-by-side helps highlight which clinical approach aligns best with your corneal profile, visual prescription, and daily routine. While all types of laser eye surgery deliver outstanding visual freedom, their technical methods and suitability profiles vary.

How to Choose the Right Type of Laser Eye Surgery

Selecting the ideal procedure amongst the various types of laser eye surgery requires a comprehensive diagnostic assessment of your eye health. A complimentary and no-obligation consultation at an Optegra hospital involves state-of-the-art diagnostic mapping to create a detailed three-dimensional profile of your eyes. During this consultation, an experienced specialist will explain which treatment option offers the highest level of safety and precision for your unique eyes, giving you complete confidence in your decision.

Book a Free Consultation Today

Taking the first step towards visual freedom begins with a thorough, zero-obligation assessment at Optegra. As our hospitals provide the full spectrum of vision correction treatments, including LASIK, LASEK, and ReLEx SMILE, our consultant surgeons offer completely unbiased guidance. Rather than recommending a one-size-fits-all approach, we tailor our clinical advice strictly around what is safest and most effective for your individual eyes. Book your free consultation today and discover how our world-class surgeons can help you achieve lasting visual independence.