Stinging and pain in the eyes, tearing, redness of the eyelids and eyeballs, pain in the forehead, fatigue. All these are clear signs of the so-called asthenopia, often…

The word "astigmatism" is from the Greek "stigme", which means a point, andparticle-denial "A." Thus, astigmatism— Is an eye disease in which the completely "missing the point". In…