Every eye is unique, like a finger print. The LASIK Wavefront method is applied to the needs of the patient for treatment, like so-called optic aberrations, namely non-chromatic and complex eye disorders.
This method is especially effective regarding vision, which requires correction in lesser conditions of light (i.e. at night). Wanting to achieve optimal visual sharpness one must correct even the smallest visual defect.
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Course of the operation
In the first phase, we measure the eye with the aberrometer, by which we can establish its individual topography and vision weakness. On the basis of this acquired information, we know how to approach the correction of the cornea by the laser. Measurement of the wavefront is therefore a template for the corneal ablation profile.
While the eye tracker tracks the eye and aligns the minutest movement, the excimer laser removes the layer of cells with the greatest precision. By using this individual method, we can improve the vision quality, and even improve the vision in comparison to previous results of wearing glasses or contact lenses.
In order to protect the eyes from the outside environment, highly oxygen permeable contact lenses will be placed upon the eyes and then removed the following day.
If light rays fall simultaneously, this is the ideal situation – so without an aberration – they are focused precisely at one point. In the measuring of the eye, this point is found in the retina. However, this almost never happens: the front of the light wave after passing through the cornea and the lens differ from the ideal shape, each eye has individual curvatures and optical defects. This may result in blurry vision.
Such a deficiency cannot be corrected by glasses or contact lenses, because the correction must be made directly upon the eye. One solution is correction by refraction corneal surgery by an excimer laser. Methods like LASIK or LASEK can correct aberrations of the highest order with great precision.