Myopia remains one of the most common vision defects today and the cause of which is the length of the eyeball.
For cases of high myopia, which due to the quantity of diopters or low corneal thicknesses cannot make use of laser correction methods (such as PRK or LASIK), it seemed until a few years ago that nothing else could be done.
Fortunately, for several years, for cases like these, another technique has established itself: the implantation of Phakic intraocular lenses (ICL). This lens will be inserted intraocularly, behind the iris, behind the pupil foramen and in front of the natural crystalline lens, which is preserved intact and is not, in fact, replaced as in cataract surgery, so that the patient can continue to sit down and see up close.
The visual quality of this correction is very high as all incoming light rays pass through the pupil and are corrected by this lens. The implant is biocompatible and visual stabilization is achieved very quickly.
The operation is carried out under topical anesthesia, therefore only with the instillation of drops on the ocular surface, a micro incision is then made (just over 2 millimetres, smaller than the tip of a Biro pen) through which it is inserted, into the eye with the dilated pupil, the lens, rolled up, which as soon as it is introduced unrolls and is positioned. Subsequently the pupil narrows and the lens assumes its definitive position. With this operation we can correct up to 18 diopters of myopia and 7 diopters of astigmatism. It is almost painless and very short, with visual stabilization in two or three days, but in the majority of cases already from the first post-operative day, the patient will achieve good visual ability.
Another advantageous aspect is that the cornea is not thinned at all.
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