Introduction: Astigmatism is a common refractive error that affects the way light rays enter the eye, leading to blurred or distorted vision. Despite its prevalence, many individuals are unfamiliar with the intricacies of this condition. In this blog, we will discuss the causes of astigmatism. Its various types, diagnostic procedures, and the corrective measures available to address this visual impairment.   Causes of Astigmatism: Astigmatism occurs when the cornea or lens of the eye is irregularly shaped, causing light rays to focus unevenly on the retina. This irregularity can stem from several factors, including: Corneal Shape Abnormalities: The cornea, the…