Refractive Errors
Learn about common refractive errors.
Can I have astigmatism in both eyes?
Is it possible to 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.
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.
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.
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.
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.
Presbyopia, or "short-armed syndrome", decreases our ability to focus on near objects. Presbyopia is a vision disorder that develops as we age.