Astigmatism is vision blurring caused by irregular lens and/or cornea shape. Treatment options include refractive surgery like LASIK and corrective lenses.
Some of the most common vision problems that people experience are refractive errors. You may not have heard the term before, but you probably know what they are. In fact, you may have a refractive error and been treated for it. Let's briefly look at refractive errors right now.