what causes astigmatism

Wed, 06 May 2026 15:06:01 +0000

**What Causes Astigmatism: Understanding the Complexities of Vision** Have you ever wondered what causes astigmatism, a common vision condition that affects millions of Americans? Astigmatism is a complex condition that can be caused by a variety of factors, from genetics to lifestyle choices. In recent years, there has been a growing interest in understanding what causes astigmatism, and why it's becoming a more prevalent issue in the US. **Why What Causes Astigmatism Is Gaining Attention in the US** The US is experiencing a significant increase in astigmatism cases, with a recent study showing that nearly 33% of Americans have some degree of astigmatism. Several factors contribute to this growing trend, including the rising prevalence of nearsightedness and farsightedness, as well as the increasing use of digital devices. As more people spend time staring at screens, their eyes are being subjected to prolonged periods of blue light exposure, which can contribute to astigmatism.