Refractive Errors

Can I have astigmatism in both eyes?
Is it possible to have astigmatism in both eyes?

What is refractive error?
Learn what it means to have a refractive error.

The Basics of Nearsightedness
Nearsightedness is a common vision problem. Nearsightedness causes distant objects to be blurry.

The Basics of Farsightedness
A farsighted person has trouble seeing objects that are nearby.

What Is Astigmatism?
Astigmatism is the most common vision disorder. Astigmatism is a vision disorder that causes objects to be blurry, both at distance and at near.

Presbyopia Defined
Presbyopia, or "short-armed syndrome", decreases our ability to focus on near objects. Presbyopia is a vision disorder that develops as we age.