No, astigmatism is not a 5. Astigmatism is a type of vision problem that causes blurred vision due to an irregularly-shaped cornea. The cornea is the clear outer layer of the eye, and when it is not shaped the way it should be, it can affect the way light passes through it, resulting in blurry vision. Astigmatism usually occurs when the cornea is either too flat or too curved, which can cause light to be refracted in different directions. This can cause images to appear distorted or blurred, and can also cause difficulty in seeing objects both close up and far away.
Astigmatism can be mild or severe, and it usually affects both eyes. Symptoms can include headaches, squinting in order to see better, fatigue when reading or doing other close-up work, and difficulty driving at night. Treatment for astigmatism typically involves eyeglasses or contact lenses, which help to properly refract light onto the retina, or refractive surgery, which reshapes the cornea to correct the vision problem. In severe cases, laser vision correction may also be recommended.
Overall, astigmatism is not a 5, but rather a vision problem that can cause blurred vision due to an irregularly-shaped cornea. Its symptoms can vary in severity, and it can usually be treated with eyeglasses, contact lenses, or refractive surgery.