Advanced technology for vision correction

By removing less corneal tissue, this model increases the laser vision correction procedure’s safety. It is also twice as fast as the 217z, meaning greater accuracy is achieved. The Bausch & Lomb z100 additionally offers vision correction for a wider range of patients, including for those who were previously considered to be non-candidates. The laser is also capable of administering a wider treatment zone, benefitting patients who have larger pupils.

While many lasers flatten the cornea when removing tissue, the new Bausch & Lomb z100 shapes it in a way that is closer to the normal curvature of a healthy eye, resulting in a better quality of vision for day and night. Treatment with the Bausch & Lomb z100 laser provides greater accuracy, optimal safety and superior laser eye surgery outcomes.

In addition to this innovative feature, the Alcon WaveLight Allegretto offers a number of unique optical measurement instruments:

• Eye tracker: A 500Hz eye tracker reacts to the eye's movements with just 2 milliseconds of latency so the excimer laser can be properly positioned for an increase in speed of over 1.4 seconds per diopter.
• Beam size: A small beam that is 0.68 mm in diameter with a Gaussian profile for smoother ablation.
• Speed: This system applies 200 individual laser pulses per second to help prevent adverse effects.
• Optical zones: The combination of optical zones from 1.5 mm to 8 mm allows the surgeon to perform the treatment, helping to reduce night vision problems in patients.

These features, along with the laser's ability to treat a larger area of the cornea, allow our surgeons to create a more natural corneal shape. Use of the Alcon WaveLight Allegretto results in a higher quality of vision, particularly under low luminance conditions and reduces or eliminates glare and halos when driving at night.

• Variable spot scanning (VSS): Variable beam sizes from as small as 0.65 mm up to 6.5 mm scanned over the treatment area, conserving tissue and optimizing treatment times.
• Variable repetition rate (VRR): VRR delivers treatment at varying repetition rates, optimizing treatment time.
• Activetrak 3-D active eye tracking: Captures all 3 dimensions of intra-operative eye movements-no dilation required.
• Activetrak automatic centering: Locates, and then automatically sets the treatment center to the center of the pupil.

As the IntraLase FS laser moves back and forth across your eye, it creates a uniform layer of bubbles just below the corneal surface at a specific depth and position within your cornea. The corneal flap is created by gently separating the tissue where these bubbles have formed.

The AMO IntraLase Femtosecond laser results in a successful outcome with minimal disruption to the corneal structure. It makes for stronger corneal flaps and fewer possible complications, ultimately leading the patient to a faster recovery.

With a repetition rate of 200 Hz, it is the fastest flap creation laser platform in use today, taking approximately six seconds to create a corneal flap. This platform also uses leading-edge PerfectPulse Technology® to ensure exact precision and total safety in all treatments administered.

This laser also functions using low pulse energy, and it offers a unique cutting pattern for accurate flap creation. The WaveLight® FS200 Femtosecond Laser has numerous features to allow for improved usability and for more efficient procedures resulting in a quick, painless treatment.

This is the most advanced femtosecond model available. It features a repetition rate of 150 Hz, meaning that it can create a LASIK flap in under 10 seconds. It is one of the fastest femtosecond lasers on the market.

The IntraLase laser is designed to create a bevel-edged flap which allows for a more precise adjustment and repositioning. This feature helps to reduce the potential for flap complications which can sometimes arise when a microkeratome is in use. It uses lower energy per pulse in order to reduce tissue response and any potential for inflammation. These features combined result in a successful outcome with minimal disruption of the corneal structure, stronger flaps and fewer possible complications, ultimately leading to a fast recovery.

The Pentacam is used throughout the process of laser vision correction candidacy and surgery planning. This sophisticated form of cornea mapping enables LASIK MD surgeons to more accurately identify laser eye surgery candidates by illustrating the unique corneal tissue characteristics, such as posterior surface curvature.

This map shows the bumps and valleys on the corneal surface and is used to ensure the cornea is regular and can be treated with the laser. People with irregular types of astigmatism or corneal disorders, such as Keratoconus, may be ruled as non-candidates prior to surgery. These patients may be good candidates for alternative vision correction procedures to LASIK.

Orbscan Topography is a newer technology that not only allows your surgeon to detect these irregularities on the front surface of the cornea, but also allows mapping of the posterior corneal surface. Conventional topography machines can only give information about the front surface. Orbscan Topography can also determine whether the back surface of the cornea is healthy.

This ability to look at the back surface is essential for safety reasons. The added safety allows your surgeon to better determine the suitability of your cornea for surgery.

A pachymetry unit is a machine that takes a measurement of corneal thickness. It is vital to assess this before surgery in order to determine if there is adequate thickness to create the flap and to perform the laser ablation. It is also vital in assessing the candidacy for an enhancement. People with thin corneas may not have enough tissue for a primary or a secondary treatment.

Conventional pachymetry units take measurements at one point on the cornea. This point is where the probe of the pachymeter touches the cornea, usually in the centre. The Orbscan technology takes pachymetry (measurements) optically without touching the cornea. This allows a measurement reading for the entire cornea; rather than a measurement at just one point. The ability to determine the thickness at all points ensures that a thin point is not missed and contributes to greater safety.