The surgeon then marks using an optical zone marker of the appropriate diameter for the patient's degree of astigmatism. The steeper meridian is marked with a pen using either landmarks or a ...

Of all of the methods of astigmatism correction, laser vision correction is the most precise. FDA labeling specifies the degree of astigmatism that each laser may treat. For instance, the VISX ...

With astigmatism, many things appear out of focus. While many people have this condition to some degree, it can affect some ...