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However, in some cases it can cause troublesome vision distortion. Here are the most common signs and symptoms of astigmatism: 1  Blurring or distortion of images at all distances. 2  Headache. 3  Fatigue. 4  Squinting. 5  Eye discomfort or irritation. 6  Difficulty seeing at night.
Astigmatism is a very common vision problem. In fact, most people have some. When you have astigmatism, light does not focus to a single point in your eye. Instead, it causes blurred vision because the front of the eye is shaped more like a football than a baseball. Unfortunately, astigmatism can (and often does) change throughout your life, usually for the worse with age.