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Lamellar keratomileusis is used to do what?

Remove the entire cornea

Change the refractive state by reshaping a partial thickness layer of the cornea

Lamellar keratomileusis reshapes a partial-thickness layer of the cornea to change its curvature and thus its refractive power. By sculpting this anterior corneal tissue, the eye’s focusing ability is adjusted so light is more accurately focused onto the retina, correcting refractive errors such as myopia or astigmatism. It does not involve removing the entire cornea, aligning the iris for cosmetic reasons, or replacing the natural lens.

Align the iris to improve cosmetic appearance

Replace the lens with an artificial one