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Basic Vision

Vision problems are common in people of all ages. Whether you are nearsighted, farsighted, presbyopic or have astigmatism, your eye doctor can help you see better. Here you will find articles, tools and resources to help you understand the basics of how your eyes work.
Vision 101 Quiz
Test your knowledge of basic vision.
Anatomy of the Eye
An image gallery of the anatomy of the eye.
Vision 101
Knowledge of eye care principles improves overall visual and ocular health.
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.
Normal Vision
Normal vision occurs when light is focused directly on the retina.
The Eye
The eye is the organ of sight. View a diagram of the eye.
The Eye and How We See
An amazing look at the eye.

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