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Latest technology: Zyoptix 100

The most important features and advantages of the Zyoptix 100 system:

• Iris recognition
  An improved safety function which guarantees that the correct eye is treated.
• Zy-ID™
  A personal file in which the unique digital “card” of every iris is stored together with information about the treatment.
• A faster, multi-dimensional eye tracker
  Compensation and correction of eye movements during the intervention in the x, y and z dimensions.
• 100 Hz laser head
  The treatment is now more than twice as fast.

Iris recognition

Like your fingerprint the composition of the iris is also unique, and no one iris is the same as another. As a result, unique identification is possible. The Zyoptix™ 100 system is equipped with a new function which analyses the pattern of your iris during the Zywave™ measurement and creates a kind of card for the whole iris. This creates the unique digital Zy-Id™ for every eye. This iris card provides the basis for the work of the multi-dimensional eye tracker.

New Techniques - ZYOPTIX™

For people with normal vision, visual acuity is approximately 100% (20/20). That means that characters of a certain size can be still seen at a certain distance.

There are people whose natural visual acuity is 125% or even 150%. But for most, small irregularities in the shape of the eye (cornea and lens) prevent them from reaching such outstanding levels. Prior corrective measures with glasses, contact lenses or even lasers are not enough to attain such levels, since these irregularities of the cornea or lens cannot be corrected.

Even the best and safest method so far, LASIK, is based on the optimal parameter for glasses and contact lenses, e.g., -3.5 dioptries. The cornea is then evenly "shaved" in line with the parameter. This means that those small irregularities present in the different sectors of the eye are not corrected in this procedure.

Recently, though, the new system zyoptix™ was developed by Bausch&Lomb, allowing surgeons to measure and correct defective vision much more precisely. The new zywave™ aberrometer from Bausch&Lomb, a component of the zyoptix™ system, selectively measures the refractive power of the eye at more than 50 points. This measurement provides an individual result - comparable to a tailor-made suit - instead of a suit bought off the rack.

The software developed especially for zyoptix™, Zylink™, calculates the treatment parameters for the laser system Technolas217z™ based on the data obtained with the zywave™ aberrometer and the OrbScanIIz™ (definition and delineation of corneal architecture).

It is expected that the more precise measurement of the eye (at more than 50 points) will produce even better results than in the past. In particular, it follows that twilight/night vision will be better. With the aberrometry, surgeons can optimally consider individual pupil size in calculating the ablation zone. This is very important in such areas as twilight vision (driving). Another interesting aspect is the fact that the amount to be ablated from the cornea is some 15-20% less (thanks to selective measurement); treatment is more gentle overall.