What is Astigmatism?
Astigmatism, like near-sightedness and far-sightedness, causes your vision to be blurry without correction. Astigmatism, however, is an imperfection in your vision that causes blurriness both at distance and near. It is mostly due to an imperfection in the shape of your cornea. The cornea, which is the front window of the eye, is ideally shaped […]