The so-called refractive lens exchange is an operation from the spectrum of refractive eye surgery. Here, the lens of the eye is removed and inserted an artificial lens. The procedure is used in an extreme refractive error is used.
The most common and typical reason for a lens exchange is the disease is cataracts, a condition in which the cloudy lens. With wide and long-sightedness is the surgery only for very extreme values in question. At present astigmatism (astigmatism, astigmatism) This method is less.
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The correction of a refractive error of the eye can now be done by a so-called artificial