How Laser Eye Correction Works
Laser eye correction, specifically ASA and LASIK eye surgery, are performed on the cornea. The cornea is the transparent wall at the front of the eye. The cornea acts as the major focusing lens for the eye. The cornea consists 90% of tissue called the stroma, with an overlying layer of cells called the epithelium. Removal of stromal tissue can produce permanent recontouring of the cornea, thereby changing its focusing power.
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