Finally, some people have a cornea with a non-spherical shape that causes astigmatism, a form of out-of-focus vision that makes all objects seem blurred, whether close or far.
The next thing that we have is another noun. We say, " I have an astigmatism." Repeat after me. " I have an astigmatism." Your turn. Do it again. Okay. So " I have an astigmatism."