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IN THE NAME OF ALLAH WHO IS MOST MERCIFUL AND GRACIOUS
These days refractive error can be corrected by reshaping cornea through ultraviolet rays (193nm) called excimer laser.
LASIK and PRK are famous refractive procedures.
They can correct upto -8 diopters of myopia, upto 3 diopters of astigmatism and 4 diopters of hypermetropia.
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