Place Cursor Over Image. A thin flap of cornea is created and folded back. The corneal flap is replaced over the treated cornea. The reshaped cornea now bends light to become focused on the retina. Click here for animation .
Vision is clear.
Place Cursor Over Image. Astigmatism occurs when the shape of the cornea is irregular, and not spherical in shape. This causes light rays in one axis to not be focused on the retina, resulting in blurred vision. The procedure is done using eye drop anesthesia, and while you may feel pressure, the technique is generally not painful. First, an instrument known as a microkeratome makes a protective flap in the outer layer of the cornea, at about twenty-five percent of its depth from the surface.