Actually, eye strain is hard to be caused by astigmatism. But it still has possible to cause astigmatism. We have known that astigmatism just because of the inability of the optics of the eye to focus a point object into a sharp focused image on the retina. It is an optical defect in which vision is blurred. Astigmatism has two types of astigmatism are regular and irregular. Blurry vision, squinting, asthenopia, fatigue, and headaches are the most common symptoms. Eye strain is rarely to be caused by astigmatism. It is most commonly due to computer use, driving, reading, watching television and softball. Some personal factors also causes of eye strain, such as poor and uncorrected vision, tiredness, fatigue, stress and alcohol and drug use. Astigmatism may cause eye strain because it can lead to poor vision and blurry vision. While poor sight and blurry vision is the most common cause of eye strain. That’s the big reason.
