Lasik, which stands for laser in-situ keratomileusis, is used in vision correction to reduce moderate to high levels of nearsightedness, farsightedness and astigmatism.
Step 1: The cornea before is cut.
Step 2: The surgeon creates a corneal flap, which is a thin slice of the cornea. It is cut and flipped open like the cover of a book. There are two methods of cutting the flap, using microkeratome, which involves a blade, or femtosecond lasers, which are bladeless.
Step 3: Once the flap has been cut and opened, an excimer laser is used to remove tissue from the centre of the cornea to reshape it, correcting the patient's refractive error.
Step 4:After correcting the cornea, the flap is replaced, - like closing the cover of a book and allowed to heal naturally without stitches.
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