Astigmatism is an optical defect in which vision is blurred, which has two types-regular and irregular. Astigmatism also has some symptoms, such as headaches, squinting, asthenopia, fatigue, even blurry vision. According to its signs, we can easily find out that myopia may be due to astigmatism. When you occur such conditions, you can take some remedies to make up for your myopia and astigmatism, for instance, wearing eyeglasses, contact lenses, even receive refractive surgery. All in all, not astigmatism can cause myopia, but also some bad reading habits are also causes of myopia. Plus, eating some fresh fruits and drinking some tea, especially black tea which are good to bright eyes.